Algebra Examples

$f (x) = 5 (\frac{\sqrt[5]{x}}{6} + 9)$

Step 1

Write $f (x) = 5 (\frac{\sqrt[5]{x}}{6} + 9)$ as an equation.

$y = 5 (\frac{\sqrt[5]{x}}{6} + 9)$

Step 2

Interchange the variables.

$x = 5 (\frac{\sqrt[5]{y}}{6} + 9)$

Step 3

Solve for $y$ .

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Step 3.1

Rewrite the equation as $5 (\frac{\sqrt[5]{y}}{6} + 9) = x$ .

$5 (\frac{\sqrt[5]{y}}{6} + 9) = x$

Step 3.2

Divide each term in $5 (\frac{\sqrt[5]{y}}{6} + 9) = x$ by $5$ and simplify.

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Step 3.2.1

Divide each term in $5 (\frac{\sqrt[5]{y}}{6} + 9) = x$ by $5$ .

$\frac{5 (\frac{\sqrt[5]{y}}{6} + 9)}{5} = \frac{x}{5}$

Step 3.2.2

Simplify the left side.

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Step 3.2.2.1

Cancel the common factor of $5$ .

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Step 3.2.2.1.1

Cancel the common factor.

$\frac{5 (\frac{\sqrt[5]{y}}{6} + 9)}{5} = \frac{x}{5}$

Step 3.2.2.1.2

Divide $\frac{\sqrt[5]{y}}{6} + 9$ by $1$ .

$\frac{\sqrt[5]{y}}{6} + 9 = \frac{x}{5}$

Step 3.3

Solve for $\sqrt[5]{y}$ .

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Step 3.3.1

Subtract $9$ from both sides of the equation.

$\frac{\sqrt[5]{y}}{6} = \frac{x}{5} - 9$

Step 3.3.2

Multiply both sides of the equation by $6$ .

$6 \frac{\sqrt[5]{y}}{6} = 6 (\frac{x}{5} - 9)$

Step 3.3.3

Simplify both sides of the equation.

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Step 3.3.3.1

Simplify the left side.

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Step 3.3.3.1.1

Cancel the common factor of $6$ .

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Step 3.3.3.1.1.1

Cancel the common factor.

$6 \frac{\sqrt[5]{y}}{6} = 6 (\frac{x}{5} - 9)$

Step 3.3.3.1.1.2

Rewrite the expression.

$\sqrt[5]{y} = 6 (\frac{x}{5} - 9)$

Step 3.3.3.2

Simplify the right side.

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Step 3.3.3.2.1

Simplify $6 (\frac{x}{5} - 9)$ .

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Step 3.3.3.2.1.1

Apply the distributive property.

$\sqrt[5]{y} = 6 \frac{x}{5} + 6 \cdot - 9$

Step 3.3.3.2.1.2

Combine $6$ and $\frac{x}{5}$ .

$\sqrt[5]{y} = \frac{6 x}{5} + 6 \cdot - 9$

Step 3.3.3.2.1.3

Multiply $6$ by $- 9$ .

$\sqrt[5]{y} = \frac{6 x}{5} - 54$

Step 3.4

To remove the radical on the left side of the equation, raise both sides of the equation to the power of $5$ .

${\sqrt[5]{y}}^{5} = {(\frac{6 x}{5} - 54)}^{5}$

Step 3.5

Simplify each side of the equation.

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Step 3.5.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[5]{y}$ as $y^{\frac{1}{5}}$ .

${(y^{\frac{1}{5}})}^{5} = {(\frac{6 x}{5} - 54)}^{5}$

Step 3.5.2

Simplify the left side.

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Step 3.5.2.1

Simplify ${(y^{\frac{1}{5}})}^{5}$ .

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Step 3.5.2.1.1

Multiply the exponents in ${(y^{\frac{1}{5}})}^{5}$ .

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Step 3.5.2.1.1.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$y^{\frac{1}{5} \cdot 5} = {(\frac{6 x}{5} - 54)}^{5}$

Step 3.5.2.1.1.2

Cancel the common factor of $5$ .

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Step 3.5.2.1.1.2.1

Cancel the common factor.

$y^{\frac{1}{5} \cdot 5} = {(\frac{6 x}{5} - 54)}^{5}$

Step 3.5.2.1.1.2.2

Rewrite the expression.

$y^{1} = {(\frac{6 x}{5} - 54)}^{5}$

Step 3.5.2.1.2

Simplify.

$y = {(\frac{6 x}{5} - 54)}^{5}$

Step 3.5.3

Simplify the right side.

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Step 3.5.3.1

Simplify ${(\frac{6 x}{5} - 54)}^{5}$ .

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Step 3.5.3.1.1

Use the Binomial Theorem.

$y = {(\frac{6 x}{5})}^{5} + 5 {(\frac{6 x}{5})}^{4} \cdot - 54 + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2

Simplify each term.

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Step 3.5.3.1.2.1

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.5.3.1.2.1.1

Apply the product rule to $\frac{6 x}{5}$ .

$y = \frac{{(6 x)}^{5}}{5^{5}} + 5 {(\frac{6 x}{5})}^{4} \cdot - 54 + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.1.2

Apply the product rule to $6 x$ .

$y = \frac{6^{5} x^{5}}{5^{5}} + 5 {(\frac{6 x}{5})}^{4} \cdot - 54 + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.2

Raise $6$ to the power of $5$ .

$y = \frac{7776 x^{5}}{5^{5}} + 5 {(\frac{6 x}{5})}^{4} \cdot - 54 + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.3

Raise $5$ to the power of $5$ .

$y = \frac{7776 x^{5}}{3125} + 5 {(\frac{6 x}{5})}^{4} \cdot - 54 + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.4

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.5.3.1.2.4.1

Apply the product rule to $\frac{6 x}{5}$ .

$y = \frac{7776 x^{5}}{3125} + 5 \frac{{(6 x)}^{4}}{5^{4}} \cdot - 54 + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.4.2

Apply the product rule to $6 x$ .

$y = \frac{7776 x^{5}}{3125} + 5 \frac{6^{4} x^{4}}{5^{4}} \cdot - 54 + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.5

Cancel the common factor of $5$ .

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Step 3.5.3.1.2.5.1

Factor $5$ out of $5^{4}$ .

$y = \frac{7776 x^{5}}{3125} + 5 \frac{6^{4} x^{4}}{5 \cdot 5^{3}} \cdot - 54 + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.5.2

Cancel the common factor.

Step 3.5.3.1.2.5.3

Rewrite the expression.

$y = \frac{7776 x^{5}}{3125} + \frac{6^{4} x^{4}}{5^{3}} \cdot - 54 + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.6

Raise $6$ to the power of $4$ .

$y = \frac{7776 x^{5}}{3125} + \frac{1296 x^{4}}{5^{3}} \cdot - 54 + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.7

Raise $5$ to the power of $3$ .

$y = \frac{7776 x^{5}}{3125} + \frac{1296 x^{4}}{125} \cdot - 54 + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.8

Multiply $\frac{1296 x^{4}}{125} \cdot - 54$ .

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Step 3.5.3.1.2.8.1

Combine $\frac{1296 x^{4}}{125}$ and $- 54$ .

$y = \frac{7776 x^{5}}{3125} + \frac{1296 x^{4} \cdot - 54}{125} + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.8.2

Multiply $- 54$ by $1296$ .

$y = \frac{7776 x^{5}}{3125} + \frac{- 69984 x^{4}}{125} + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.9

Move the negative in front of the fraction.

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + 10 {(\frac{6 x}{5})}^{3} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.10

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.5.3.1.2.10.1

Apply the product rule to $\frac{6 x}{5}$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + 10 \frac{{(6 x)}^{3}}{5^{3}} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.10.2

Apply the product rule to $6 x$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + 10 \frac{6^{3} x^{3}}{5^{3}} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.11

Raise $6$ to the power of $3$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + 10 \frac{216 x^{3}}{5^{3}} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.12

Raise $5$ to the power of $3$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + 10 \frac{216 x^{3}}{125} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.13

Cancel the common factor of $5$ .

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Step 3.5.3.1.2.13.1

Factor $5$ out of $10$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + 5 (2) \frac{216 x^{3}}{125} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.13.2

Factor $5$ out of $125$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + 5 \cdot 2 \frac{216 x^{3}}{5 \cdot 25} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.13.3

Cancel the common factor.

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + 5 \cdot 2 \frac{216 x^{3}}{5 \cdot 25} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.13.4

Rewrite the expression.

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + 2 \frac{216 x^{3}}{25} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.14

Combine $2$ and $\frac{216 x^{3}}{25}$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{2 (216 x^{3})}{25} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.15

Multiply $216$ by $2$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{432 x^{3}}{25} {(- 54)}^{2} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.16

Raise $- 54$ to the power of $2$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{432 x^{3}}{25} \cdot 2916 + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.17

Multiply $\frac{432 x^{3}}{25} \cdot 2916$ .

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Step 3.5.3.1.2.17.1

Combine $\frac{432 x^{3}}{25}$ and $2916$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{432 x^{3} \cdot 2916}{25} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.17.2

Multiply $2916$ by $432$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + 10 {(\frac{6 x}{5})}^{2} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.18

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 3.5.3.1.2.18.1

Apply the product rule to $\frac{6 x}{5}$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + 10 \frac{{(6 x)}^{2}}{5^{2}} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.18.2

Apply the product rule to $6 x$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + 10 \frac{6^{2} x^{2}}{5^{2}} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.19

Raise $6$ to the power of $2$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + 10 \frac{36 x^{2}}{5^{2}} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.20

Raise $5$ to the power of $2$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + 10 \frac{36 x^{2}}{25} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.21

Cancel the common factor of $5$ .

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Step 3.5.3.1.2.21.1

Factor $5$ out of $10$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + 5 (2) \frac{36 x^{2}}{25} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.21.2

Factor $5$ out of $25$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + 5 \cdot 2 \frac{36 x^{2}}{5 \cdot 5} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.21.3

Cancel the common factor.

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + 5 \cdot 2 \frac{36 x^{2}}{5 \cdot 5} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.21.4

Rewrite the expression.

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + 2 \frac{36 x^{2}}{5} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.22

Combine $2$ and $\frac{36 x^{2}}{5}$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + \frac{2 (36 x^{2})}{5} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.23

Multiply $36$ by $2$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + \frac{72 x^{2}}{5} {(- 54)}^{3} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.24

Raise $- 54$ to the power of $3$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + \frac{72 x^{2}}{5} \cdot - 157464 + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.25

Multiply $\frac{72 x^{2}}{5} \cdot - 157464$ .

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Step 3.5.3.1.2.25.1

Combine $\frac{72 x^{2}}{5}$ and $- 157464$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + \frac{72 x^{2} \cdot - 157464}{5} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.25.2

Multiply $- 157464$ by $72$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} + \frac{- 11337408 x^{2}}{5} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.26

Move the negative in front of the fraction.

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.27

Cancel the common factor of $5$ .

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Step 3.5.3.1.2.27.1

Cancel the common factor.

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 5 \frac{6 x}{5} {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.27.2

Rewrite the expression.

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 6 x {(- 54)}^{4} + {(- 54)}^{5}$

Step 3.5.3.1.2.28

Raise $- 54$ to the power of $4$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 6 x \cdot 8503056 + {(- 54)}^{5}$

Step 3.5.3.1.2.29

Multiply $8503056$ by $6$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x + {(- 54)}^{5}$

Step 3.5.3.1.2.30

Raise $- 54$ to the power of $5$ .

$y = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024$

Step 4

Replace $y$ with $f^{- 1} (x)$ to show the final answer.

$f^{- 1} (x) = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024$

Step 5

Verify if $f^{- 1} (x) = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024$ is the inverse of $f (x) = 5 (\frac{\sqrt[5]{x}}{6} + 9)$ .

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Step 5.1

To verify the inverse, check if $f^{- 1} (f (x)) = x$ and $f (f^{- 1} (x)) = x$ .

Step 5.2

Evaluate $f^{- 1} (f (x))$ .

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Step 5.2.1

Set up the composite result function.

$f^{- 1} (f (x))$

Step 5.2.2

Evaluate $f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9))$ by substituting in the value of $f$ into $f^{- 1}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{7776 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{5}}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3

Simplify each term.

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Step 5.2.3.1

Simplify the numerator.

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Step 5.2.3.1.1

Apply the product rule to $5 (\frac{\sqrt[5]{x}}{6} + 9)$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{7776 \cdot (5^{5} {(\frac{\sqrt[5]{x}}{6} + 9)}^{5})}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.1.2

Raise $5$ to the power of $5$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{7776 \cdot (3125 {(\frac{\sqrt[5]{x}}{6} + 9)}^{5})}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.1.3

To write $9$ as a fraction with a common denominator, multiply by $\frac{6}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{7776 \cdot (3125 {(\frac{\sqrt[5]{x}}{6} + 9 \cdot \frac{6}{6})}^{5})}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.1.4

Combine $9$ and $\frac{6}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{7776 \cdot (3125 {(\frac{\sqrt[5]{x}}{6} + \frac{9 \cdot 6}{6})}^{5})}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.1.5

Combine the numerators over the common denominator.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{7776 \cdot (3125 {(\frac{\sqrt[5]{x} + 9 \cdot 6}{6})}^{5})}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.1.6

Multiply $9$ by $6$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{7776 \cdot (3125 {(\frac{\sqrt[5]{x} + 54}{6})}^{5})}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.1.7

Multiply $7776$ by $3125$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{24300000 {(\frac{\sqrt[5]{x} + 54}{6})}^{5}}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.1.8

Apply the product rule to $\frac{\sqrt[5]{x} + 54}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{24300000 (\frac{{(\sqrt[5]{x} + 54)}^{5}}{6^{5}})}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.1.9

Raise $6$ to the power of $5$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{24300000 (\frac{{(\sqrt[5]{x} + 54)}^{5}}{7776})}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.2

Combine $24300000$ and $\frac{{(\sqrt[5]{x} + 54)}^{5}}{7776}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{\frac{24300000 {(\sqrt[5]{x} + 54)}^{5}}{7776}}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.3

Reduce the expression by cancelling the common factors.

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Step 5.2.3.3.1

Reduce the expression $\frac{24300000 {(\sqrt[5]{x} + 54)}^{5}}{7776}$ by cancelling the common factors.

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Step 5.2.3.3.1.1

Factor $7776$ out of $24300000 {(\sqrt[5]{x} + 54)}^{5}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{\frac{7776 (3125 {(\sqrt[5]{x} + 54)}^{5})}{7776}}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.3.1.2

Factor $7776$ out of $7776$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{\frac{7776 (3125 {(\sqrt[5]{x} + 54)}^{5})}{7776 (1)}}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.3.1.3

Cancel the common factor.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{\frac{7776 (3125 {(\sqrt[5]{x} + 54)}^{5})}{7776 \cdot 1}}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.3.1.4

Rewrite the expression.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{\frac{3125 {(\sqrt[5]{x} + 54)}^{5}}{1}}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.3.2

Divide $3125 {(\sqrt[5]{x} + 54)}^{5}$ by $1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = \frac{3125 {(\sqrt[5]{x} + 54)}^{5}}{3125} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.4

Cancel the common factor of $3125$ .

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Step 5.2.3.4.1

Cancel the common factor.

Step 5.2.3.4.2

Divide ${(\sqrt[5]{x} + 54)}^{5}$ by $1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = {(\sqrt[5]{x} + 54)}^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.5

Use the Binomial Theorem.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = {\sqrt[5]{x}}^{5} + 5 {\sqrt[5]{x}}^{4} \cdot 54 + 10 {\sqrt[5]{x}}^{3} \cdot 54^{2} + 10 {\sqrt[5]{x}}^{2} \cdot 54^{3} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6

Simplify each term.

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Step 5.2.3.6.1

Rewrite ${\sqrt[5]{x}}^{5}$ as $x$ .

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Step 5.2.3.6.1.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt[5]{x}$ as $x^{\frac{1}{5}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = {(x^{\frac{1}{5}})}^{5} + 5 {\sqrt[5]{x}}^{4} \cdot 54 + 10 {\sqrt[5]{x}}^{3} \cdot 54^{2} + 10 {\sqrt[5]{x}}^{2} \cdot 54^{3} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.1.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x^{\frac{1}{5} \cdot 5} + 5 {\sqrt[5]{x}}^{4} \cdot 54 + 10 {\sqrt[5]{x}}^{3} \cdot 54^{2} + 10 {\sqrt[5]{x}}^{2} \cdot 54^{3} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.1.3

Combine $\frac{1}{5}$ and $5$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x^{\frac{5}{5}} + 5 {\sqrt[5]{x}}^{4} \cdot 54 + 10 {\sqrt[5]{x}}^{3} \cdot 54^{2} + 10 {\sqrt[5]{x}}^{2} \cdot 54^{3} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.1.4

Cancel the common factor of $5$ .

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Step 5.2.3.6.1.4.1

Cancel the common factor.

Step 5.2.3.6.1.4.2

Rewrite the expression.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 5 {\sqrt[5]{x}}^{4} \cdot 54 + 10 {\sqrt[5]{x}}^{3} \cdot 54^{2} + 10 {\sqrt[5]{x}}^{2} \cdot 54^{3} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.1.5

Simplify.

Step 5.2.3.6.2

Rewrite ${\sqrt[5]{x}}^{4}$ as $\sqrt[5]{x^{4}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 5 \sqrt[5]{x^{4}} \cdot 54 + 10 {\sqrt[5]{x}}^{3} \cdot 54^{2} + 10 {\sqrt[5]{x}}^{2} \cdot 54^{3} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.3

Multiply $54$ by $5$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 10 {\sqrt[5]{x}}^{3} \cdot 54^{2} + 10 {\sqrt[5]{x}}^{2} \cdot 54^{3} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.4

Rewrite ${\sqrt[5]{x}}^{3}$ as $\sqrt[5]{x^{3}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 10 \sqrt[5]{x^{3}} \cdot 54^{2} + 10 {\sqrt[5]{x}}^{2} \cdot 54^{3} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.5

Raise $54$ to the power of $2$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 10 \sqrt[5]{x^{3}} \cdot 2916 + 10 {\sqrt[5]{x}}^{2} \cdot 54^{3} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.6

Multiply $2916$ by $10$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 10 {\sqrt[5]{x}}^{2} \cdot 54^{3} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.7

Rewrite ${\sqrt[5]{x}}^{2}$ as $\sqrt[5]{x^{2}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 10 \sqrt[5]{x^{2}} \cdot 54^{3} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.8

Raise $54$ to the power of $3$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 10 \sqrt[5]{x^{2}} \cdot 157464 + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.9

Multiply $157464$ by $10$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 5 \sqrt[5]{x} \cdot 54^{4} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.10

Raise $54$ to the power of $4$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 5 \sqrt[5]{x} \cdot 8503056 + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.11

Multiply $8503056$ by $5$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 54^{5} - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.6.12

Raise $54$ to the power of $5$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{69984 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.7

Simplify the numerator.

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Step 5.2.3.7.1

Apply the product rule to $5 (\frac{\sqrt[5]{x}}{6} + 9)$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{69984 \cdot (5^{4} {(\frac{\sqrt[5]{x}}{6} + 9)}^{4})}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.7.2

Raise $5$ to the power of $4$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{69984 \cdot (625 {(\frac{\sqrt[5]{x}}{6} + 9)}^{4})}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.7.3

To write $9$ as a fraction with a common denominator, multiply by $\frac{6}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{69984 \cdot (625 {(\frac{\sqrt[5]{x}}{6} + 9 \cdot \frac{6}{6})}^{4})}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.7.4

Combine $9$ and $\frac{6}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{69984 \cdot (625 {(\frac{\sqrt[5]{x}}{6} + \frac{9 \cdot 6}{6})}^{4})}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.7.5

Combine the numerators over the common denominator.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{69984 \cdot (625 {(\frac{\sqrt[5]{x} + 9 \cdot 6}{6})}^{4})}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.7.6

Multiply $9$ by $6$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{69984 \cdot (625 {(\frac{\sqrt[5]{x} + 54}{6})}^{4})}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.7.7

Multiply $69984$ by $625$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{43740000 {(\frac{\sqrt[5]{x} + 54}{6})}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.7.8

Apply the product rule to $\frac{\sqrt[5]{x} + 54}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{43740000 (\frac{{(\sqrt[5]{x} + 54)}^{4}}{6^{4}})}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.7.9

Raise $6$ to the power of $4$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{43740000 (\frac{{(\sqrt[5]{x} + 54)}^{4}}{1296})}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.8

Combine $43740000$ and $\frac{{(\sqrt[5]{x} + 54)}^{4}}{1296}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{\frac{43740000 {(\sqrt[5]{x} + 54)}^{4}}{1296}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.9

Reduce the expression by cancelling the common factors.

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Step 5.2.3.9.1

Reduce the expression $\frac{43740000 {(\sqrt[5]{x} + 54)}^{4}}{1296}$ by cancelling the common factors.

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Step 5.2.3.9.1.1

Factor $1296$ out of $43740000 {(\sqrt[5]{x} + 54)}^{4}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{\frac{1296 (33750 {(\sqrt[5]{x} + 54)}^{4})}{1296}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.9.1.2

Factor $1296$ out of $1296$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{\frac{1296 (33750 {(\sqrt[5]{x} + 54)}^{4})}{1296 (1)}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.9.1.3

Cancel the common factor.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{\frac{1296 (33750 {(\sqrt[5]{x} + 54)}^{4})}{1296 \cdot 1}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.9.1.4

Rewrite the expression.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{\frac{33750 {(\sqrt[5]{x} + 54)}^{4}}{1}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.9.2

Divide $33750 {(\sqrt[5]{x} + 54)}^{4}$ by $1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{33750 {(\sqrt[5]{x} + 54)}^{4}}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.10

Cancel the common factor of $33750$ and $125$ .

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Step 5.2.3.10.1

Factor $125$ out of $33750 {(\sqrt[5]{x} + 54)}^{4}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{125 (270 {(\sqrt[5]{x} + 54)}^{4})}{125} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.10.2

Cancel the common factors.

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Step 5.2.3.10.2.1

Factor $125$ out of $125$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{125 (270 {(\sqrt[5]{x} + 54)}^{4})}{125 (1)} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.10.2.2

Cancel the common factor.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{125 (270 {(\sqrt[5]{x} + 54)}^{4})}{125 \cdot 1} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.10.2.3

Rewrite the expression.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - \frac{270 {(\sqrt[5]{x} + 54)}^{4}}{1} + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.10.2.4

Divide $270 {(\sqrt[5]{x} + 54)}^{4}$ by $1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 {(\sqrt[5]{x} + 54)}^{4}) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.11

Use the Binomial Theorem.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 ({\sqrt[5]{x}}^{4} + 4 {\sqrt[5]{x}}^{3} \cdot 54 + 6 {\sqrt[5]{x}}^{2} \cdot 54^{2} + 4 \sqrt[5]{x} \cdot 54^{3} + 54^{4})) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.12

Simplify each term.

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Step 5.2.3.12.1

Rewrite ${\sqrt[5]{x}}^{4}$ as $\sqrt[5]{x^{4}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 (\sqrt[5]{x^{4}} + 4 {\sqrt[5]{x}}^{3} \cdot 54 + 6 {\sqrt[5]{x}}^{2} \cdot 54^{2} + 4 \sqrt[5]{x} \cdot 54^{3} + 54^{4})) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.12.2

Rewrite ${\sqrt[5]{x}}^{3}$ as $\sqrt[5]{x^{3}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 (\sqrt[5]{x^{4}} + 4 \sqrt[5]{x^{3}} \cdot 54 + 6 {\sqrt[5]{x}}^{2} \cdot 54^{2} + 4 \sqrt[5]{x} \cdot 54^{3} + 54^{4})) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.12.3

Multiply $54$ by $4$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 (\sqrt[5]{x^{4}} + 216 \sqrt[5]{x^{3}} + 6 {\sqrt[5]{x}}^{2} \cdot 54^{2} + 4 \sqrt[5]{x} \cdot 54^{3} + 54^{4})) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.12.4

Rewrite ${\sqrt[5]{x}}^{2}$ as $\sqrt[5]{x^{2}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 (\sqrt[5]{x^{4}} + 216 \sqrt[5]{x^{3}} + 6 \sqrt[5]{x^{2}} \cdot 54^{2} + 4 \sqrt[5]{x} \cdot 54^{3} + 54^{4})) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.12.5

Raise $54$ to the power of $2$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 (\sqrt[5]{x^{4}} + 216 \sqrt[5]{x^{3}} + 6 \sqrt[5]{x^{2}} \cdot 2916 + 4 \sqrt[5]{x} \cdot 54^{3} + 54^{4})) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.12.6

Multiply $2916$ by $6$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 (\sqrt[5]{x^{4}} + 216 \sqrt[5]{x^{3}} + 17496 \sqrt[5]{x^{2}} + 4 \sqrt[5]{x} \cdot 54^{3} + 54^{4})) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.12.7

Raise $54$ to the power of $3$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 (\sqrt[5]{x^{4}} + 216 \sqrt[5]{x^{3}} + 17496 \sqrt[5]{x^{2}} + 4 \sqrt[5]{x} \cdot 157464 + 54^{4})) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.12.8

Multiply $157464$ by $4$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 (\sqrt[5]{x^{4}} + 216 \sqrt[5]{x^{3}} + 17496 \sqrt[5]{x^{2}} + 629856 \sqrt[5]{x} + 54^{4})) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.12.9

Raise $54$ to the power of $4$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 (\sqrt[5]{x^{4}} + 216 \sqrt[5]{x^{3}} + 17496 \sqrt[5]{x^{2}} + 629856 \sqrt[5]{x} + 8503056)) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.13

Apply the distributive property.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 \sqrt[5]{x^{4}} + 270 (216 \sqrt[5]{x^{3}}) + 270 (17496 \sqrt[5]{x^{2}}) + 270 (629856 \sqrt[5]{x}) + 270 \cdot 8503056) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.14

Simplify.

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Step 5.2.3.14.1

Multiply $216$ by $270$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 \sqrt[5]{x^{4}} + 58320 \sqrt[5]{x^{3}} + 270 (17496 \sqrt[5]{x^{2}}) + 270 (629856 \sqrt[5]{x}) + 270 \cdot 8503056) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.14.2

Multiply $17496$ by $270$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 \sqrt[5]{x^{4}} + 58320 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 270 (629856 \sqrt[5]{x}) + 270 \cdot 8503056) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.14.3

Multiply $629856$ by $270$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 \sqrt[5]{x^{4}} + 58320 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 170061120 \sqrt[5]{x} + 270 \cdot 8503056) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.14.4

Multiply $270$ by $8503056$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 \sqrt[5]{x^{4}} + 58320 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 170061120 \sqrt[5]{x} + 2295825120) + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.15

Apply the distributive property.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - (270 \sqrt[5]{x^{4}}) - (58320 \sqrt[5]{x^{3}}) - (4723920 \sqrt[5]{x^{2}}) - (170061120 \sqrt[5]{x}) - 1 \cdot 2295825120 + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.16

Simplify.

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Step 5.2.3.16.1

Multiply $270$ by $- 1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - (58320 \sqrt[5]{x^{3}}) - (4723920 \sqrt[5]{x^{2}}) - (170061120 \sqrt[5]{x}) - 1 \cdot 2295825120 + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.16.2

Multiply $58320$ by $- 1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - (4723920 \sqrt[5]{x^{2}}) - (170061120 \sqrt[5]{x}) - 1 \cdot 2295825120 + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.16.3

Multiply $4723920$ by $- 1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - (170061120 \sqrt[5]{x}) - 1 \cdot 2295825120 + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.16.4

Multiply $170061120$ by $- 1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 1 \cdot 2295825120 + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.16.5

Multiply $- 1$ by $2295825120$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{1259712 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.17

Simplify the numerator.

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Step 5.2.3.17.1

Apply the product rule to $5 (\frac{\sqrt[5]{x}}{6} + 9)$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{1259712 \cdot (5^{3} {(\frac{\sqrt[5]{x}}{6} + 9)}^{3})}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.17.2

Raise $5$ to the power of $3$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{1259712 \cdot (125 {(\frac{\sqrt[5]{x}}{6} + 9)}^{3})}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.17.3

To write $9$ as a fraction with a common denominator, multiply by $\frac{6}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{1259712 \cdot (125 {(\frac{\sqrt[5]{x}}{6} + 9 \cdot \frac{6}{6})}^{3})}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.17.4

Combine $9$ and $\frac{6}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{1259712 \cdot (125 {(\frac{\sqrt[5]{x}}{6} + \frac{9 \cdot 6}{6})}^{3})}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.17.5

Combine the numerators over the common denominator.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{1259712 \cdot (125 {(\frac{\sqrt[5]{x} + 9 \cdot 6}{6})}^{3})}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.17.6

Multiply $9$ by $6$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{1259712 \cdot (125 {(\frac{\sqrt[5]{x} + 54}{6})}^{3})}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.17.7

Multiply $1259712$ by $125$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{157464000 {(\frac{\sqrt[5]{x} + 54}{6})}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.17.8

Apply the product rule to $\frac{\sqrt[5]{x} + 54}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{157464000 (\frac{{(\sqrt[5]{x} + 54)}^{3}}{6^{3}})}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.17.9

Raise $6$ to the power of $3$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{157464000 (\frac{{(\sqrt[5]{x} + 54)}^{3}}{216})}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.18

Combine $157464000$ and $\frac{{(\sqrt[5]{x} + 54)}^{3}}{216}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{\frac{157464000 {(\sqrt[5]{x} + 54)}^{3}}{216}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.19

Reduce the expression by cancelling the common factors.

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Step 5.2.3.19.1

Reduce the expression $\frac{157464000 {(\sqrt[5]{x} + 54)}^{3}}{216}$ by cancelling the common factors.

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Step 5.2.3.19.1.1

Factor $216$ out of $157464000 {(\sqrt[5]{x} + 54)}^{3}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{\frac{216 (729000 {(\sqrt[5]{x} + 54)}^{3})}{216}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.19.1.2

Factor $216$ out of $216$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{\frac{216 (729000 {(\sqrt[5]{x} + 54)}^{3})}{216 (1)}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.19.1.3

Cancel the common factor.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{\frac{216 (729000 {(\sqrt[5]{x} + 54)}^{3})}{216 \cdot 1}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.19.1.4

Rewrite the expression.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{\frac{729000 {(\sqrt[5]{x} + 54)}^{3}}{1}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.19.2

Divide $729000 {(\sqrt[5]{x} + 54)}^{3}$ by $1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{729000 {(\sqrt[5]{x} + 54)}^{3}}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.20

Cancel the common factor of $729000$ and $25$ .

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Step 5.2.3.20.1

Factor $25$ out of $729000 {(\sqrt[5]{x} + 54)}^{3}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{25 (29160 {(\sqrt[5]{x} + 54)}^{3})}{25} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.20.2

Cancel the common factors.

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Step 5.2.3.20.2.1

Factor $25$ out of $25$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{25 (29160 {(\sqrt[5]{x} + 54)}^{3})}{25 (1)} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.20.2.2

Cancel the common factor.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{25 (29160 {(\sqrt[5]{x} + 54)}^{3})}{25 \cdot 1} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.20.2.3

Rewrite the expression.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + \frac{29160 {(\sqrt[5]{x} + 54)}^{3}}{1} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.20.2.4

Divide $29160 {(\sqrt[5]{x} + 54)}^{3}$ by $1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 {(\sqrt[5]{x} + 54)}^{3} - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.21

Use the Binomial Theorem.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 ({\sqrt[5]{x}}^{3} + 3 {\sqrt[5]{x}}^{2} \cdot 54 + 3 \sqrt[5]{x} \cdot 54^{2} + 54^{3}) - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.22

Simplify each term.

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Step 5.2.3.22.1

Rewrite ${\sqrt[5]{x}}^{3}$ as $\sqrt[5]{x^{3}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 (\sqrt[5]{x^{3}} + 3 {\sqrt[5]{x}}^{2} \cdot 54 + 3 \sqrt[5]{x} \cdot 54^{2} + 54^{3}) - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.22.2

Rewrite ${\sqrt[5]{x}}^{2}$ as $\sqrt[5]{x^{2}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 (\sqrt[5]{x^{3}} + 3 \sqrt[5]{x^{2}} \cdot 54 + 3 \sqrt[5]{x} \cdot 54^{2} + 54^{3}) - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.22.3

Multiply $54$ by $3$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 (\sqrt[5]{x^{3}} + 162 \sqrt[5]{x^{2}} + 3 \sqrt[5]{x} \cdot 54^{2} + 54^{3}) - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.22.4

Raise $54$ to the power of $2$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 (\sqrt[5]{x^{3}} + 162 \sqrt[5]{x^{2}} + 3 \sqrt[5]{x} \cdot 2916 + 54^{3}) - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.22.5

Multiply $2916$ by $3$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 (\sqrt[5]{x^{3}} + 162 \sqrt[5]{x^{2}} + 8748 \sqrt[5]{x} + 54^{3}) - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.22.6

Raise $54$ to the power of $3$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 (\sqrt[5]{x^{3}} + 162 \sqrt[5]{x^{2}} + 8748 \sqrt[5]{x} + 157464) - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.23

Apply the distributive property.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 29160 (162 \sqrt[5]{x^{2}}) + 29160 (8748 \sqrt[5]{x}) + 29160 \cdot 157464 - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.24

Simplify.

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Step 5.2.3.24.1

Multiply $162$ by $29160$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 29160 (8748 \sqrt[5]{x}) + 29160 \cdot 157464 - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.24.2

Multiply $8748$ by $29160$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 29160 \cdot 157464 - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.24.3

Multiply $29160$ by $157464$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{11337408 {(5 (\frac{\sqrt[5]{x}}{6} + 9))}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.25

Simplify the numerator.

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Step 5.2.3.25.1

Apply the product rule to $5 (\frac{\sqrt[5]{x}}{6} + 9)$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{11337408 \cdot (5^{2} {(\frac{\sqrt[5]{x}}{6} + 9)}^{2})}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.25.2

Raise $5$ to the power of $2$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{11337408 \cdot (25 {(\frac{\sqrt[5]{x}}{6} + 9)}^{2})}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.25.3

To write $9$ as a fraction with a common denominator, multiply by $\frac{6}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{11337408 \cdot (25 {(\frac{\sqrt[5]{x}}{6} + 9 \cdot \frac{6}{6})}^{2})}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.25.4

Combine $9$ and $\frac{6}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{11337408 \cdot (25 {(\frac{\sqrt[5]{x}}{6} + \frac{9 \cdot 6}{6})}^{2})}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.25.5

Combine the numerators over the common denominator.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{11337408 \cdot (25 {(\frac{\sqrt[5]{x} + 9 \cdot 6}{6})}^{2})}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.25.6

Multiply $9$ by $6$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{11337408 \cdot (25 {(\frac{\sqrt[5]{x} + 54}{6})}^{2})}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.25.7

Multiply $11337408$ by $25$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{283435200 {(\frac{\sqrt[5]{x} + 54}{6})}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.25.8

Apply the product rule to $\frac{\sqrt[5]{x} + 54}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{283435200 (\frac{{(\sqrt[5]{x} + 54)}^{2}}{6^{2}})}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.25.9

Raise $6$ to the power of $2$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{283435200 (\frac{{(\sqrt[5]{x} + 54)}^{2}}{36})}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.26

Combine $283435200$ and $\frac{{(\sqrt[5]{x} + 54)}^{2}}{36}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{\frac{283435200 {(\sqrt[5]{x} + 54)}^{2}}{36}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.27

Reduce the expression by cancelling the common factors.

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Step 5.2.3.27.1

Reduce the expression $\frac{283435200 {(\sqrt[5]{x} + 54)}^{2}}{36}$ by cancelling the common factors.

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Step 5.2.3.27.1.1

Factor $36$ out of $283435200 {(\sqrt[5]{x} + 54)}^{2}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{\frac{36 (7873200 {(\sqrt[5]{x} + 54)}^{2})}{36}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.27.1.2

Factor $36$ out of $36$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{\frac{36 (7873200 {(\sqrt[5]{x} + 54)}^{2})}{36 (1)}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.27.1.3

Cancel the common factor.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{\frac{36 (7873200 {(\sqrt[5]{x} + 54)}^{2})}{36 \cdot 1}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.27.1.4

Rewrite the expression.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{\frac{7873200 {(\sqrt[5]{x} + 54)}^{2}}{1}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.27.2

Divide $7873200 {(\sqrt[5]{x} + 54)}^{2}$ by $1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{7873200 {(\sqrt[5]{x} + 54)}^{2}}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.28

Cancel the common factor of $7873200$ and $5$ .

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Step 5.2.3.28.1

Factor $5$ out of $7873200 {(\sqrt[5]{x} + 54)}^{2}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{5 (1574640 {(\sqrt[5]{x} + 54)}^{2})}{5} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.28.2

Cancel the common factors.

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Step 5.2.3.28.2.1

Factor $5$ out of $5$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{5 (1574640 {(\sqrt[5]{x} + 54)}^{2})}{5 (1)} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.28.2.2

Cancel the common factor.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{5 (1574640 {(\sqrt[5]{x} + 54)}^{2})}{5 \cdot 1} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.28.2.3

Rewrite the expression.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - \frac{1574640 {(\sqrt[5]{x} + 54)}^{2}}{1} + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.28.2.4

Divide $1574640 {(\sqrt[5]{x} + 54)}^{2}$ by $1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 {(\sqrt[5]{x} + 54)}^{2}) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.29

Rewrite ${(\sqrt[5]{x} + 54)}^{2}$ as $(\sqrt[5]{x} + 54) (\sqrt[5]{x} + 54)$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 ((\sqrt[5]{x} + 54) (\sqrt[5]{x} + 54))) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.30

Expand $(\sqrt[5]{x} + 54) (\sqrt[5]{x} + 54)$ using the FOIL Method.

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Step 5.2.3.30.1

Apply the distributive property.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 (\sqrt[5]{x} (\sqrt[5]{x} + 54) + 54 (\sqrt[5]{x} + 54))) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.30.2

Apply the distributive property.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 (\sqrt[5]{x} \sqrt[5]{x} + \sqrt[5]{x} \cdot 54 + 54 (\sqrt[5]{x} + 54))) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.30.3

Apply the distributive property.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 (\sqrt[5]{x} \sqrt[5]{x} + \sqrt[5]{x} \cdot 54 + 54 \sqrt[5]{x} + 54 \cdot 54)) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.31

Simplify and combine like terms.

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Step 5.2.3.31.1

Simplify each term.

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Step 5.2.3.31.1.1

Multiply $\sqrt[5]{x} \sqrt[5]{x}$ .

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Step 5.2.3.31.1.1.1

Raise $\sqrt[5]{x}$ to the power of $1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 (\sqrt[5]{x} \sqrt[5]{x} + \sqrt[5]{x} \cdot 54 + 54 \sqrt[5]{x} + 54 \cdot 54)) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.31.1.1.2

Raise $\sqrt[5]{x}$ to the power of $1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 (\sqrt[5]{x} \sqrt[5]{x} + \sqrt[5]{x} \cdot 54 + 54 \sqrt[5]{x} + 54 \cdot 54)) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.31.1.1.3

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 ({\sqrt[5]{x}}^{1 + 1} + \sqrt[5]{x} \cdot 54 + 54 \sqrt[5]{x} + 54 \cdot 54)) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.31.1.1.4

Add $1$ and $1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 ({\sqrt[5]{x}}^{2} + \sqrt[5]{x} \cdot 54 + 54 \sqrt[5]{x} + 54 \cdot 54)) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.31.1.2

Rewrite ${\sqrt[5]{x}}^{2}$ as $\sqrt[5]{x^{2}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 (\sqrt[5]{x^{2}} + \sqrt[5]{x} \cdot 54 + 54 \sqrt[5]{x} + 54 \cdot 54)) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.31.1.3

Move $54$ to the left of $\sqrt[5]{x}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 (\sqrt[5]{x^{2}} + 54 \cdot \sqrt[5]{x} + 54 \sqrt[5]{x} + 54 \cdot 54)) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.31.1.4

Multiply $54$ by $54$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 (\sqrt[5]{x^{2}} + 54 \sqrt[5]{x} + 54 \sqrt[5]{x} + 2916)) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.31.2

Add $54 \sqrt[5]{x}$ and $54 \sqrt[5]{x}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 (\sqrt[5]{x^{2}} + 108 \sqrt[5]{x} + 2916)) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.32

Apply the distributive property.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 \sqrt[5]{x^{2}} + 1574640 (108 \sqrt[5]{x}) + 1574640 \cdot 2916) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.33

Simplify.

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Step 5.2.3.33.1

Multiply $108$ by $1574640$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 \sqrt[5]{x^{2}} + 170061120 \sqrt[5]{x} + 1574640 \cdot 2916) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.33.2

Multiply $1574640$ by $2916$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 \sqrt[5]{x^{2}} + 170061120 \sqrt[5]{x} + 4591650240) + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.34

Apply the distributive property.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - (1574640 \sqrt[5]{x^{2}}) - (170061120 \sqrt[5]{x}) - 1 \cdot 4591650240 + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.35

Simplify.

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Step 5.2.3.35.1

Multiply $1574640$ by $- 1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - (170061120 \sqrt[5]{x}) - 1 \cdot 4591650240 + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.35.2

Multiply $170061120$ by $- 1$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 1 \cdot 4591650240 + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.35.3

Multiply $- 1$ by $4591650240$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 51018336 (5 (\frac{\sqrt[5]{x}}{6} + 9)) - 459165024$

Step 5.2.3.36

Apply the distributive property.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 51018336 (5 (\frac{\sqrt[5]{x}}{6}) + 5 \cdot 9) - 459165024$

Step 5.2.3.37

Combine $5$ and $\frac{\sqrt[5]{x}}{6}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 51018336 (\frac{5 \sqrt[5]{x}}{6} + 5 \cdot 9) - 459165024$

Step 5.2.3.38

Multiply $5$ by $9$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 51018336 (\frac{5 \sqrt[5]{x}}{6} + 45) - 459165024$

Step 5.2.3.39

Apply the distributive property.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 51018336 (\frac{5 \sqrt[5]{x}}{6}) + 51018336 \cdot 45 - 459165024$

Step 5.2.3.40

Cancel the common factor of $6$ .

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Step 5.2.3.40.1

Factor $6$ out of $51018336$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 6 (8503056) (\frac{5 \sqrt[5]{x}}{6}) + 51018336 \cdot 45 - 459165024$

Step 5.2.3.40.2

Cancel the common factor.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 6 \cdot (8503056 (\frac{5 \sqrt[5]{x}}{6})) + 51018336 \cdot 45 - 459165024$

Step 5.2.3.40.3

Rewrite the expression.

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 8503056 (5 \sqrt[5]{x}) + 51018336 \cdot 45 - 459165024$

Step 5.2.3.41

Multiply $5$ by $8503056$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 42515280 \sqrt[5]{x} + 51018336 \cdot 45 - 459165024$

Step 5.2.3.42

Multiply $51018336$ by $45$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 42515280 \sqrt[5]{x} + 2295825120 - 459165024$

Step 5.2.4

Simplify by adding terms.

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Step 5.2.4.1

Combine the opposite terms in $x + 270 \sqrt[5]{x^{4}} + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 270 \sqrt[5]{x^{4}} - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 42515280 \sqrt[5]{x} + 2295825120 - 459165024$ .

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Step 5.2.4.1.1

Subtract $270 \sqrt[5]{x^{4}}$ from $270 \sqrt[5]{x^{4}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 0 + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 42515280 \sqrt[5]{x} + 2295825120 - 459165024$

Step 5.2.4.1.2

Add $x$ and $0$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} - 4723920 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 4723920 \sqrt[5]{x^{2}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 42515280 \sqrt[5]{x} + 2295825120 - 459165024$

Step 5.2.4.1.3

Add $- 4723920 \sqrt[5]{x^{2}}$ and $4723920 \sqrt[5]{x^{2}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} + 0 - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 42515280 \sqrt[5]{x} + 2295825120 - 459165024$

Step 5.2.4.1.4

Add $x + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}}$ and $0$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 29160 \sqrt[5]{x^{3}} + 1574640 \sqrt[5]{x^{2}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} + 4591650240 - 1574640 \sqrt[5]{x^{2}} - 170061120 \sqrt[5]{x} - 4591650240 + 42515280 \sqrt[5]{x} + 2295825120 - 459165024$

Step 5.2.4.1.5

Subtract $1574640 \sqrt[5]{x^{2}}$ from $1574640 \sqrt[5]{x^{2}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 29160 \sqrt[5]{x^{3}} + 0 + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} + 4591650240 - 170061120 \sqrt[5]{x} - 4591650240 + 42515280 \sqrt[5]{x} + 2295825120 - 459165024$

Step 5.2.4.1.6

Add $x + 29160 \sqrt[5]{x^{3}}$ and $0$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} + 4591650240 - 170061120 \sqrt[5]{x} - 4591650240 + 42515280 \sqrt[5]{x} + 2295825120 - 459165024$

Step 5.2.4.1.7

Subtract $4591650240$ from $4591650240$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} + 0 - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x} + 2295825120 - 459165024$

Step 5.2.4.1.8

Add $x + 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x}$ and $0$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} - 170061120 \sqrt[5]{x} - 2295825120 + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x} + 2295825120 - 459165024$

Step 5.2.4.1.9

Add $- 2295825120$ and $2295825120$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} - 170061120 \sqrt[5]{x} + 0 + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x} - 459165024$

Step 5.2.4.1.10

Add $x + 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} - 170061120 \sqrt[5]{x}$ and $0$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x} + 459165024 - 58320 \sqrt[5]{x^{3}} - 170061120 \sqrt[5]{x} + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x} - 459165024$

Step 5.2.4.1.11

Subtract $459165024$ from $459165024$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x} + 0 - 58320 \sqrt[5]{x^{3}} - 170061120 \sqrt[5]{x} + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x}$

Step 5.2.4.1.12

Add $x + 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x}$ and $0$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x} - 58320 \sqrt[5]{x^{3}} - 170061120 \sqrt[5]{x} + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x}$

Step 5.2.4.2

Subtract $58320 \sqrt[5]{x^{3}}$ from $29160 \sqrt[5]{x^{3}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x - 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x}$

Step 5.2.4.3

Combine the opposite terms in $x - 29160 \sqrt[5]{x^{3}} + 42515280 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 29160 \sqrt[5]{x^{3}} + 255091680 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x}$ .

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Step 5.2.4.3.1

Add $- 29160 \sqrt[5]{x^{3}}$ and $29160 \sqrt[5]{x^{3}}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 0 + 42515280 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 255091680 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x}$

Step 5.2.4.3.2

Add $x$ and $0$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 42515280 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 255091680 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x}$

Step 5.2.4.4

Subtract $170061120 \sqrt[5]{x}$ from $42515280 \sqrt[5]{x}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x - 127545840 \sqrt[5]{x} + 255091680 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x}$

Step 5.2.4.5

Add $- 127545840 \sqrt[5]{x}$ and $255091680 \sqrt[5]{x}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 127545840 \sqrt[5]{x} - 170061120 \sqrt[5]{x} + 42515280 \sqrt[5]{x}$

Step 5.2.4.6

Subtract $170061120 \sqrt[5]{x}$ from $127545840 \sqrt[5]{x}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x - 42515280 \sqrt[5]{x} + 42515280 \sqrt[5]{x}$

Step 5.2.4.7

Combine the opposite terms in $x - 42515280 \sqrt[5]{x} + 42515280 \sqrt[5]{x}$ .

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Step 5.2.4.7.1

Add $- 42515280 \sqrt[5]{x}$ and $42515280 \sqrt[5]{x}$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x + 0$

Step 5.2.4.7.2

Add $x$ and $0$ .

$f^{- 1} (5 (\frac{\sqrt[5]{x}}{6} + 9)) = x$

Step 5.3

Evaluate $f (f^{- 1} (x))$ .

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Step 5.3.1

Set up the composite result function.

$f (f^{- 1} (x))$

Step 5.3.2

Evaluate $f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024)$ by substituting in the value of $f^{- 1}$ into $f$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3

Simplify each term.

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Step 5.3.3.1

Simplify the numerator.

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Step 5.3.3.1.1

To write $- \frac{69984 x^{4}}{125}$ as a fraction with a common denominator, multiply by $\frac{25}{25}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} \cdot \frac{25}{25} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.2

Write each expression with a common denominator of $3125$ , by multiplying each by an appropriate factor of $1$ .

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Step 5.3.3.1.2.1

Multiply $\frac{69984 x^{4}}{125}$ by $\frac{25}{25}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5}}{3125} - \frac{69984 x^{4} \cdot 25}{125 \cdot 25} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.2.2

Multiply $125$ by $25$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5}}{3125} - \frac{69984 x^{4} \cdot 25}{3125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.3

Combine the numerators over the common denominator.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25}{3125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.4

To write $\frac{1259712 x^{3}}{25}$ as a fraction with a common denominator, multiply by $\frac{125}{125}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25}{3125} + \frac{1259712 x^{3}}{25} \cdot \frac{125}{125} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.5

Write each expression with a common denominator of $3125$ , by multiplying each by an appropriate factor of $1$ .

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Step 5.3.3.1.5.1

Multiply $\frac{1259712 x^{3}}{25}$ by $\frac{125}{125}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25}{3125} + \frac{1259712 x^{3} \cdot 125}{25 \cdot 125} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.5.2

Multiply $25$ by $125$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25}{3125} + \frac{1259712 x^{3} \cdot 125}{3125} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.6

Combine the numerators over the common denominator.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125}{3125} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.7

To write $- \frac{11337408 x^{2}}{5}$ as a fraction with a common denominator, multiply by $\frac{625}{625}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125}{3125} - \frac{11337408 x^{2}}{5} \cdot \frac{625}{625} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.8

Write each expression with a common denominator of $3125$ , by multiplying each by an appropriate factor of $1$ .

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Step 5.3.3.1.8.1

Multiply $\frac{11337408 x^{2}}{5}$ by $\frac{625}{625}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125}{3125} - \frac{11337408 x^{2} \cdot 625}{5 \cdot 625} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.8.2

Multiply $5$ by $625$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125}{3125} - \frac{11337408 x^{2} \cdot 625}{3125} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.9

Combine the numerators over the common denominator.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125 - 11337408 x^{2} \cdot 625}{3125} + 51018336 x - 459165024}}{6} + 9)$

Step 5.3.3.1.10

To write $51018336 x$ as a fraction with a common denominator, multiply by $\frac{3125}{3125}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125 - 11337408 x^{2} \cdot 625}{3125} + 51018336 x \cdot \frac{3125}{3125} - 459165024}}{6} + 9)$

Step 5.3.3.1.11

Combine $51018336 x$ and $\frac{3125}{3125}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125 - 11337408 x^{2} \cdot 625}{3125} + \frac{51018336 x \cdot 3125}{3125} - 459165024}}{6} + 9)$

Step 5.3.3.1.12

Combine the numerators over the common denominator.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125 - 11337408 x^{2} \cdot 625 + 51018336 x \cdot 3125}{3125} - 459165024}}{6} + 9)$

Step 5.3.3.1.13

To write $- 459165024$ as a fraction with a common denominator, multiply by $\frac{3125}{3125}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125 - 11337408 x^{2} \cdot 625 + 51018336 x \cdot 3125}{3125} - 459165024 \cdot \frac{3125}{3125}}}{6} + 9)$

Step 5.3.3.1.14

Combine $- 459165024$ and $\frac{3125}{3125}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125 - 11337408 x^{2} \cdot 625 + 51018336 x \cdot 3125}{3125} + \frac{- 459165024 \cdot 3125}{3125}}}{6} + 9)$

Step 5.3.3.1.15

Combine the numerators over the common denominator.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125 - 11337408 x^{2} \cdot 625 + 51018336 x \cdot 3125 - 459165024 \cdot 3125}{3125}}}{6} + 9)$

Step 5.3.3.1.16

Rewrite $\frac{7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125 - 11337408 x^{2} \cdot 625 + 51018336 x \cdot 3125 - 459165024 \cdot 3125}{3125}$ in a factored form.

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Step 5.3.3.1.16.1

Factor $7776$ out of $7776 x^{5} - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125 - 11337408 x^{2} \cdot 625 + 51018336 x \cdot 3125 - 459165024 \cdot 3125$ .

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Step 5.3.3.1.16.1.1

Factor $7776$ out of $7776 x^{5}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5}) - 69984 x^{4} \cdot 25 + 1259712 x^{3} \cdot 125 - 11337408 x^{2} \cdot 625 + 51018336 x \cdot 3125 - 459165024 \cdot 3125}{3125}}}{6} + 9)$

Step 5.3.3.1.16.1.2

Factor $7776$ out of $- 69984 x^{4} \cdot 25$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5}) + 7776 (- 9 x^{4} \cdot 25) + 1259712 x^{3} \cdot 125 - 11337408 x^{2} \cdot 625 + 51018336 x \cdot 3125 - 459165024 \cdot 3125}{3125}}}{6} + 9)$

Step 5.3.3.1.16.1.3

Factor $7776$ out of $1259712 x^{3} \cdot 125$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5}) + 7776 (- 9 x^{4} \cdot 25) + 7776 (162 x^{3} \cdot 125) - 11337408 x^{2} \cdot 625 + 51018336 x \cdot 3125 - 459165024 \cdot 3125}{3125}}}{6} + 9)$

Step 5.3.3.1.16.1.4

Factor $7776$ out of $- 11337408 x^{2} \cdot 625$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5}) + 7776 (- 9 x^{4} \cdot 25) + 7776 (162 x^{3} \cdot 125) + 7776 (- 1458 x^{2} \cdot 625) + 51018336 x \cdot 3125 - 459165024 \cdot 3125}{3125}}}{6} + 9)$

Step 5.3.3.1.16.1.5

Factor $7776$ out of $51018336 x \cdot 3125$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5}) + 7776 (- 9 x^{4} \cdot 25) + 7776 (162 x^{3} \cdot 125) + 7776 (- 1458 x^{2} \cdot 625) + 7776 (6561 x \cdot 3125) - 459165024 \cdot 3125}{3125}}}{6} + 9)$

Step 5.3.3.1.16.1.6

Factor $7776$ out of $- 459165024 \cdot 3125$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5}) + 7776 (- 9 x^{4} \cdot 25) + 7776 (162 x^{3} \cdot 125) + 7776 (- 1458 x^{2} \cdot 625) + 7776 (6561 x \cdot 3125) + 7776 (- 59049 \cdot 3125)}{3125}}}{6} + 9)$

Step 5.3.3.1.16.1.7

Factor $7776$ out of $7776 (x^{5}) + 7776 (- 9 x^{4} \cdot 25)$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5} - 9 x^{4} \cdot 25) + 7776 (162 x^{3} \cdot 125) + 7776 (- 1458 x^{2} \cdot 625) + 7776 (6561 x \cdot 3125) + 7776 (- 59049 \cdot 3125)}{3125}}}{6} + 9)$

Step 5.3.3.1.16.1.8

Factor $7776$ out of $7776 (x^{5} - 9 x^{4} \cdot 25) + 7776 (162 x^{3} \cdot 125)$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5} - 9 x^{4} \cdot 25 + 162 x^{3} \cdot 125) + 7776 (- 1458 x^{2} \cdot 625) + 7776 (6561 x \cdot 3125) + 7776 (- 59049 \cdot 3125)}{3125}}}{6} + 9)$

Step 5.3.3.1.16.1.9

Factor $7776$ out of $7776 (x^{5} - 9 x^{4} \cdot 25 + 162 x^{3} \cdot 125) + 7776 (- 1458 x^{2} \cdot 625)$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5} - 9 x^{4} \cdot 25 + 162 x^{3} \cdot 125 - 1458 x^{2} \cdot 625) + 7776 (6561 x \cdot 3125) + 7776 (- 59049 \cdot 3125)}{3125}}}{6} + 9)$

Step 5.3.3.1.16.1.10

Factor $7776$ out of $7776 (x^{5} - 9 x^{4} \cdot 25 + 162 x^{3} \cdot 125 - 1458 x^{2} \cdot 625) + 7776 (6561 x \cdot 3125)$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5} - 9 x^{4} \cdot 25 + 162 x^{3} \cdot 125 - 1458 x^{2} \cdot 625 + 6561 x \cdot 3125) + 7776 (- 59049 \cdot 3125)}{3125}}}{6} + 9)$

Step 5.3.3.1.16.1.11

Factor $7776$ out of $7776 (x^{5} - 9 x^{4} \cdot 25 + 162 x^{3} \cdot 125 - 1458 x^{2} \cdot 625 + 6561 x \cdot 3125) + 7776 (- 59049 \cdot 3125)$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5} - 9 x^{4} \cdot 25 + 162 x^{3} \cdot 125 - 1458 x^{2} \cdot 625 + 6561 x \cdot 3125 - 59049 \cdot 3125)}{3125}}}{6} + 9)$

Step 5.3.3.1.16.2

Multiply $25$ by $- 9$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5} - 225 x^{4} + 162 x^{3} \cdot 125 - 1458 x^{2} \cdot 625 + 6561 x \cdot 3125 - 59049 \cdot 3125)}{3125}}}{6} + 9)$

Step 5.3.3.1.16.3

Multiply $125$ by $162$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5} - 225 x^{4} + 20250 x^{3} - 1458 x^{2} \cdot 625 + 6561 x \cdot 3125 - 59049 \cdot 3125)}{3125}}}{6} + 9)$

Step 5.3.3.1.16.4

Multiply $625$ by $- 1458$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5} - 225 x^{4} + 20250 x^{3} - 911250 x^{2} + 6561 x \cdot 3125 - 59049 \cdot 3125)}{3125}}}{6} + 9)$

Step 5.3.3.1.16.5

Multiply $3125$ by $6561$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5} - 225 x^{4} + 20250 x^{3} - 911250 x^{2} + 20503125 x - 59049 \cdot 3125)}{3125}}}{6} + 9)$

Step 5.3.3.1.16.6

Multiply $- 59049$ by $3125$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5} - 225 x^{4} + 20250 x^{3} - 911250 x^{2} + 20503125 x - 184528125)}{3125}}}{6} + 9)$

Step 5.3.3.1.16.7

Rewrite $x^{5} - 225 x^{4} + 20250 x^{3} - 911250 x^{2} + 20503125 x - 184528125$ in a factored form.

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Step 5.3.3.1.16.7.1

Make each term match the terms from the binomial theorem formula.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 (x^{5} - 5 \cdot (45 x^{4}) + 10 \cdot (45^{2} x^{3}) - 10 \cdot (45^{3} x^{2}) + 5 \cdot (45^{4} x) - 1 \cdot 45^{5})}{3125}}}{6} + 9)$

Step 5.3.3.1.16.7.2

Factor $x^{5} - 5 \cdot 45 x^{4} + 10 \cdot 45^{2} x^{3} - 10 \cdot 45^{3} x^{2} + 5 \cdot 45^{4} x - 1 \cdot 45^{5}$ using the binomial theorem.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{7776 {(x - 45)}^{5}}{3125}}}{6} + 9)$

Step 5.3.3.1.17

Rewrite $7776 {(x - 45)}^{5}$ as ${(6 (x - 45))}^{5}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{{(6 (x - 45))}^{5}}{3125}}}{6} + 9)$

Step 5.3.3.1.18

Rewrite $3125$ as $5^{5}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{\frac{{(6 (x - 45))}^{5}}{5^{5}}}}{6} + 9)$

Step 5.3.3.1.19

Rewrite $\frac{{(6 (x - 45))}^{5}}{5^{5}}$ as ${(\frac{6 (x - 45)}{5})}^{5}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\sqrt[5]{{(\frac{6 (x - 45)}{5})}^{5}}}{6} + 9)$

Step 5.3.3.1.20

Pull terms out from under the radical, assuming real numbers.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{\frac{6 (x - 45)}{5}}{6} + 9)$

Step 5.3.3.2

Multiply the numerator by the reciprocal of the denominator.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{6 (x - 45)}{5} \cdot \frac{1}{6} + 9)$

Step 5.3.3.3

Cancel the common factor of $6$ .

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Step 5.3.3.3.1

Cancel the common factor.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{6 (x - 45)}{5} \cdot \frac{1}{6} + 9)$

Step 5.3.3.3.2

Rewrite the expression.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{x - 45}{5} + 9)$

Step 5.3.4

To write $9$ as a fraction with a common denominator, multiply by $\frac{5}{5}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{x - 45}{5} + 9 \cdot \frac{5}{5})$

Step 5.3.5

Simplify terms.

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Step 5.3.5.1

Combine $9$ and $\frac{5}{5}$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{x - 45}{5} + \frac{9 \cdot 5}{5})$

Step 5.3.5.2

Combine the numerators over the common denominator.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{x - 45 + 9 \cdot 5}{5})$

Step 5.3.6

Simplify the numerator.

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Step 5.3.6.1

Multiply $9$ by $5$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{x - 45 + 45}{5})$

Step 5.3.6.2

Add $- 45$ and $45$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{x + 0}{5})$

Step 5.3.6.3

Add $x$ and $0$ .

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{x}{5})$

Step 5.3.7

Cancel the common factor of $5$ .

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Step 5.3.7.1

Cancel the common factor.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = 5 (\frac{x}{5})$

Step 5.3.7.2

Rewrite the expression.

$f (\frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024) = x$

Step 5.4

Since $f^{- 1} (f (x)) = x$ and $f (f^{- 1} (x)) = x$ , then $f^{- 1} (x) = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024$ is the inverse of $f (x) = 5 (\frac{\sqrt[5]{x}}{6} + 9)$ .

$f^{- 1} (x) = \frac{7776 x^{5}}{3125} - \frac{69984 x^{4}}{125} + \frac{1259712 x^{3}}{25} - \frac{11337408 x^{2}}{5} + 51018336 x - 459165024$