Calculus Examples

$y = {(3 x + 4)}^{2} {(2 x - 5)}^{3}$

Step 1

Differentiate both sides of the equation.

$\frac{d}{d x} (y) = \frac{d}{d x} ({(3 x + 4)}^{2} {(2 x - 5)}^{3})$

Step 2

The derivative of $y$ with respect to $x$ is $y'$ .

$y'$

Step 3

Differentiate the right side of the equation.

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Step 3.1

Rewrite ${(3 x + 4)}^{2}$ as $(3 x + 4) (3 x + 4)$ .

$\frac{d}{d x} [(3 x + 4) (3 x + 4) {(2 x - 5)}^{3}]$

Step 3.2

Expand $(3 x + 4) (3 x + 4)$ using the FOIL Method.

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Step 3.2.1

Apply the distributive property.

$\frac{d}{d x} [(3 x (3 x + 4) + 4 (3 x + 4)) {(2 x - 5)}^{3}]$

Step 3.2.2

Apply the distributive property.

$\frac{d}{d x} [(3 x (3 x) + 3 x \cdot 4 + 4 (3 x + 4)) {(2 x - 5)}^{3}]$

Step 3.2.3

Apply the distributive property.

$\frac{d}{d x} [(3 x (3 x) + 3 x \cdot 4 + 4 (3 x) + 4 \cdot 4) {(2 x - 5)}^{3}]$

Step 3.3

Simplify and combine like terms.

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Step 3.3.1

Simplify each term.

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Step 3.3.1.1

Rewrite using the commutative property of multiplication.

$\frac{d}{d x} [(3 \cdot 3 x \cdot x + 3 x \cdot 4 + 4 (3 x) + 4 \cdot 4) {(2 x - 5)}^{3}]$

Step 3.3.1.2

Multiply $x$ by $x$ by adding the exponents.

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Step 3.3.1.2.1

Move $x$ .

$\frac{d}{d x} [(3 \cdot 3 (x \cdot x) + 3 x \cdot 4 + 4 (3 x) + 4 \cdot 4) {(2 x - 5)}^{3}]$

Step 3.3.1.2.2

Multiply $x$ by $x$ .

$\frac{d}{d x} [(3 \cdot 3 x^{2} + 3 x \cdot 4 + 4 (3 x) + 4 \cdot 4) {(2 x - 5)}^{3}]$

Step 3.3.1.3

Multiply $3$ by $3$ .

$\frac{d}{d x} [(9 x^{2} + 3 x \cdot 4 + 4 (3 x) + 4 \cdot 4) {(2 x - 5)}^{3}]$

Step 3.3.1.4

Multiply $4$ by $3$ .

$\frac{d}{d x} [(9 x^{2} + 12 x + 4 (3 x) + 4 \cdot 4) {(2 x - 5)}^{3}]$

Step 3.3.1.5

Multiply $3$ by $4$ .

$\frac{d}{d x} [(9 x^{2} + 12 x + 12 x + 4 \cdot 4) {(2 x - 5)}^{3}]$

Step 3.3.1.6

Multiply $4$ by $4$ .

$\frac{d}{d x} [(9 x^{2} + 12 x + 12 x + 16) {(2 x - 5)}^{3}]$

Step 3.3.2

Add $12 x$ and $12 x$ .

$\frac{d}{d x} [(9 x^{2} + 24 x + 16) {(2 x - 5)}^{3}]$

Step 3.4

Differentiate using the Product Rule which states that $\frac{d}{d x} [f (x) g (x)]$ is $f (x) \frac{d}{d x} [g (x)] + g (x) \frac{d}{d x} [f (x)]$ where $f (x) = 9 x^{2} + 24 x + 16$ and $g (x) = {(2 x - 5)}^{3}$ .

$(9 x^{2} + 24 x + 16) \frac{d}{d x} [{(2 x - 5)}^{3}] + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.5

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{3}$ and $g (x) = 2 x - 5$ .

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Step 3.5.1

To apply the Chain Rule, set $u$ as $2 x - 5$ .

$(9 x^{2} + 24 x + 16) (\frac{d}{d u} [u^{3}] \frac{d}{d x} [2 x - 5]) + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.5.2

Differentiate using the Power Rule which states that $\frac{d}{d u} [u^{n}]$ is $n u^{n - 1}$ where $n = 3$ .

$(9 x^{2} + 24 x + 16) (3 u^{2} \frac{d}{d x} [2 x - 5]) + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.5.3

Replace all occurrences of $u$ with $2 x - 5$ .

$(9 x^{2} + 24 x + 16) (3 {(2 x - 5)}^{2} \frac{d}{d x} [2 x - 5]) + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.6

Differentiate.

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Step 3.6.1

Move $3$ to the left of $9 x^{2} + 24 x + 16$ .

$3 \cdot (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} \frac{d}{d x} [2 x - 5] + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.6.2

By the Sum Rule, the derivative of $2 x - 5$ with respect to $x$ is $\frac{d}{d x} [2 x] + \frac{d}{d x} [- 5]$ .

$3 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} (\frac{d}{d x} [2 x] + \frac{d}{d x} [- 5]) + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.6.3

Since $2$ is constant with respect to $x$ , the derivative of $2 x$ with respect to $x$ is $2 \frac{d}{d x} [x]$ .

$3 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} (2 \frac{d}{d x} [x] + \frac{d}{d x} [- 5]) + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.6.4

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 1$ .

$3 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} (2 \cdot 1 + \frac{d}{d x} [- 5]) + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.6.5

Multiply $2$ by $1$ .

$3 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} (2 + \frac{d}{d x} [- 5]) + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.6.6

Since $- 5$ is constant with respect to $x$ , the derivative of $- 5$ with respect to $x$ is $0$ .

$3 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} (2 + 0) + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.6.7

Simplify the expression.

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Step 3.6.7.1

Add $2$ and $0$ .

$3 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} \cdot 2 + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.6.7.2

Multiply $2$ by $3$ .

$6 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} \frac{d}{d x} [9 x^{2} + 24 x + 16]$

Step 3.6.8

By the Sum Rule, the derivative of $9 x^{2} + 24 x + 16$ with respect to $x$ is $\frac{d}{d x} [9 x^{2}] + \frac{d}{d x} [24 x] + \frac{d}{d x} [16]$ .

$6 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (\frac{d}{d x} [9 x^{2}] + \frac{d}{d x} [24 x] + \frac{d}{d x} [16])$

Step 3.6.9

Since $9$ is constant with respect to $x$ , the derivative of $9 x^{2}$ with respect to $x$ is $9 \frac{d}{d x} [x^{2}]$ .

$6 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (9 \frac{d}{d x} [x^{2}] + \frac{d}{d x} [24 x] + \frac{d}{d x} [16])$

Step 3.6.10

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 2$ .

$6 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (9 (2 x) + \frac{d}{d x} [24 x] + \frac{d}{d x} [16])$

Step 3.6.11

Multiply $2$ by $9$ .

$6 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (18 x + \frac{d}{d x} [24 x] + \frac{d}{d x} [16])$

Step 3.6.12

Since $24$ is constant with respect to $x$ , the derivative of $24 x$ with respect to $x$ is $24 \frac{d}{d x} [x]$ .

$6 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (18 x + 24 \frac{d}{d x} [x] + \frac{d}{d x} [16])$

Step 3.6.13

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 1$ .

$6 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (18 x + 24 \cdot 1 + \frac{d}{d x} [16])$

Step 3.6.14

Multiply $24$ by $1$ .

$6 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (18 x + 24 + \frac{d}{d x} [16])$

Step 3.6.15

Since $16$ is constant with respect to $x$ , the derivative of $16$ with respect to $x$ is $0$ .

$6 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (18 x + 24 + 0)$

Step 3.6.16

Add $18 x + 24$ and $0$ .

$6 (9 x^{2} + 24 x + 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (18 x + 24)$

Step 3.7

Simplify.

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Step 3.7.1

Apply the distributive property.

$(6 (9 x^{2}) + 6 (24 x) + 6 \cdot 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (18 x + 24)$

Step 3.7.2

Multiply $9$ by $6$ .

$(54 x^{2} + 6 (24 x) + 6 \cdot 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (18 x + 24)$

Step 3.7.3

Multiply $24$ by $6$ .

$(54 x^{2} + 144 x + 6 \cdot 16) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (18 x + 24)$

Step 3.7.4

Multiply $6$ by $16$ .

$(54 x^{2} + 144 x + 96) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (18 x + 24)$

Step 3.7.5

Factor ${(2 x - 5)}^{2}$ out of $(54 x^{2} + 144 x + 96) {(2 x - 5)}^{2} + {(2 x - 5)}^{3} (18 x + 24)$ .

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Step 3.7.5.1

Factor ${(2 x - 5)}^{2}$ out of $(54 x^{2} + 144 x + 96) {(2 x - 5)}^{2}$ .

${(2 x - 5)}^{2} (54 x^{2} + 144 x + 96) + {(2 x - 5)}^{3} (18 x + 24)$

Step 3.7.5.2

Factor ${(2 x - 5)}^{2}$ out of ${(2 x - 5)}^{3} (18 x + 24)$ .

${(2 x - 5)}^{2} (54 x^{2} + 144 x + 96) + {(2 x - 5)}^{2} ((2 x - 5) (18 x + 24))$

Step 3.7.5.3

Factor ${(2 x - 5)}^{2}$ out of ${(2 x - 5)}^{2} (54 x^{2} + 144 x + 96) + {(2 x - 5)}^{2} ((2 x - 5) (18 x + 24))$ .

${(2 x - 5)}^{2} (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.6

Rewrite ${(2 x - 5)}^{2}$ as $(2 x - 5) (2 x - 5)$ .

$(2 x - 5) (2 x - 5) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.7

Expand $(2 x - 5) (2 x - 5)$ using the FOIL Method.

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Step 3.7.7.1

Apply the distributive property.

$(2 x (2 x - 5) - 5 (2 x - 5)) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.7.2

Apply the distributive property.

$(2 x (2 x) + 2 x \cdot - 5 - 5 (2 x - 5)) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.7.3

Apply the distributive property.

$(2 x (2 x) + 2 x \cdot - 5 - 5 (2 x) - 5 \cdot - 5) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.8

Simplify and combine like terms.

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Step 3.7.8.1

Simplify each term.

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Step 3.7.8.1.1

Rewrite using the commutative property of multiplication.

$(2 \cdot 2 x \cdot x + 2 x \cdot - 5 - 5 (2 x) - 5 \cdot - 5) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.8.1.2

Multiply $x$ by $x$ by adding the exponents.

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Step 3.7.8.1.2.1

Move $x$ .

$(2 \cdot 2 (x \cdot x) + 2 x \cdot - 5 - 5 (2 x) - 5 \cdot - 5) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.8.1.2.2

Multiply $x$ by $x$ .

$(2 \cdot 2 x^{2} + 2 x \cdot - 5 - 5 (2 x) - 5 \cdot - 5) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.8.1.3

Multiply $2$ by $2$ .

$(4 x^{2} + 2 x \cdot - 5 - 5 (2 x) - 5 \cdot - 5) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.8.1.4

Multiply $- 5$ by $2$ .

$(4 x^{2} - 10 x - 5 (2 x) - 5 \cdot - 5) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.8.1.5

Multiply $2$ by $- 5$ .

$(4 x^{2} - 10 x - 10 x - 5 \cdot - 5) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.8.1.6

Multiply $- 5$ by $- 5$ .

$(4 x^{2} - 10 x - 10 x + 25) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.8.2

Subtract $10 x$ from $- 10 x$ .

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + (2 x - 5) (18 x + 24))$

Step 3.7.9

Simplify each term.

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Step 3.7.9.1

Expand $(2 x - 5) (18 x + 24)$ using the FOIL Method.

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Step 3.7.9.1.1

Apply the distributive property.

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + 2 x (18 x + 24) - 5 (18 x + 24))$

Step 3.7.9.1.2

Apply the distributive property.

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + 2 x (18 x) + 2 x \cdot 24 - 5 (18 x + 24))$

Step 3.7.9.1.3

Apply the distributive property.

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + 2 x (18 x) + 2 x \cdot 24 - 5 (18 x) - 5 \cdot 24)$

Step 3.7.9.2

Simplify and combine like terms.

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Step 3.7.9.2.1

Simplify each term.

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Step 3.7.9.2.1.1

Rewrite using the commutative property of multiplication.

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + 2 \cdot 18 x \cdot x + 2 x \cdot 24 - 5 (18 x) - 5 \cdot 24)$

Step 3.7.9.2.1.2

Multiply $x$ by $x$ by adding the exponents.

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Step 3.7.9.2.1.2.1

Move $x$ .

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + 2 \cdot 18 (x \cdot x) + 2 x \cdot 24 - 5 (18 x) - 5 \cdot 24)$

Step 3.7.9.2.1.2.2

Multiply $x$ by $x$ .

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + 2 \cdot 18 x^{2} + 2 x \cdot 24 - 5 (18 x) - 5 \cdot 24)$

Step 3.7.9.2.1.3

Multiply $2$ by $18$ .

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + 36 x^{2} + 2 x \cdot 24 - 5 (18 x) - 5 \cdot 24)$

Step 3.7.9.2.1.4

Multiply $24$ by $2$ .

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + 36 x^{2} + 48 x - 5 (18 x) - 5 \cdot 24)$

Step 3.7.9.2.1.5

Multiply $18$ by $- 5$ .

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + 36 x^{2} + 48 x - 90 x - 5 \cdot 24)$

Step 3.7.9.2.1.6

Multiply $- 5$ by $24$ .

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + 36 x^{2} + 48 x - 90 x - 120)$

Step 3.7.9.2.2

Subtract $90 x$ from $48 x$ .

$(4 x^{2} - 20 x + 25) (54 x^{2} + 144 x + 96 + 36 x^{2} - 42 x - 120)$

Step 3.7.10

Add $54 x^{2}$ and $36 x^{2}$ .

$(4 x^{2} - 20 x + 25) (90 x^{2} + 144 x + 96 - 42 x - 120)$

Step 3.7.11

Subtract $42 x$ from $144 x$ .

$(4 x^{2} - 20 x + 25) (90 x^{2} + 102 x + 96 - 120)$

Step 3.7.12

Subtract $120$ from $96$ .

$(4 x^{2} - 20 x + 25) (90 x^{2} + 102 x - 24)$

Step 3.7.13

Expand $(4 x^{2} - 20 x + 25) (90 x^{2} + 102 x - 24)$ by multiplying each term in the first expression by each term in the second expression.

$4 x^{2} (90 x^{2}) + 4 x^{2} (102 x) + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14

Simplify each term.

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Step 3.7.14.1

Rewrite using the commutative property of multiplication.

$4 \cdot 90 x^{2} x^{2} + 4 x^{2} (102 x) + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.2

Multiply $x^{2}$ by $x^{2}$ by adding the exponents.

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Step 3.7.14.2.1

Move $x^{2}$ .

$4 \cdot 90 (x^{2} x^{2}) + 4 x^{2} (102 x) + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.2.2

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

$4 \cdot 90 x^{2 + 2} + 4 x^{2} (102 x) + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.2.3

Add $2$ and $2$ .

$4 \cdot 90 x^{4} + 4 x^{2} (102 x) + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.3

Multiply $4$ by $90$ .

$360 x^{4} + 4 x^{2} (102 x) + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.4

Rewrite using the commutative property of multiplication.

$360 x^{4} + 4 \cdot 102 x^{2} x + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.5

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 3.7.14.5.1

Move $x$ .

$360 x^{4} + 4 \cdot 102 (x \cdot x^{2}) + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.5.2

Multiply $x$ by $x^{2}$ .

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Step 3.7.14.5.2.1

Raise $x$ to the power of $1$ .

$360 x^{4} + 4 \cdot 102 (x^{1} x^{2}) + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.5.2.2

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

$360 x^{4} + 4 \cdot 102 x^{1 + 2} + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.5.3

Add $1$ and $2$ .

$360 x^{4} + 4 \cdot 102 x^{3} + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.6

Multiply $4$ by $102$ .

$360 x^{4} + 408 x^{3} + 4 x^{2} \cdot - 24 - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.7

Multiply $- 24$ by $4$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 20 x (90 x^{2}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.8

Rewrite using the commutative property of multiplication.

$360 x^{4} + 408 x^{3} - 96 x^{2} - 20 \cdot 90 x \cdot x^{2} - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.9

Multiply $x$ by $x^{2}$ by adding the exponents.

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Step 3.7.14.9.1

Move $x^{2}$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 20 \cdot 90 (x^{2} x) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.9.2

Multiply $x^{2}$ by $x$ .

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Step 3.7.14.9.2.1

Raise $x$ to the power of $1$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 20 \cdot 90 (x^{2} x^{1}) - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.9.2.2

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

$360 x^{4} + 408 x^{3} - 96 x^{2} - 20 \cdot 90 x^{2 + 1} - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.9.3

Add $2$ and $1$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 20 \cdot 90 x^{3} - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.10

Multiply $- 20$ by $90$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 1800 x^{3} - 20 x (102 x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.11

Rewrite using the commutative property of multiplication.

$360 x^{4} + 408 x^{3} - 96 x^{2} - 1800 x^{3} - 20 \cdot 102 x \cdot x - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.12

Multiply $x$ by $x$ by adding the exponents.

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Step 3.7.14.12.1

Move $x$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 1800 x^{3} - 20 \cdot 102 (x \cdot x) - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.12.2

Multiply $x$ by $x$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 1800 x^{3} - 20 \cdot 102 x^{2} - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.13

Multiply $- 20$ by $102$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 1800 x^{3} - 2040 x^{2} - 20 x \cdot - 24 + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.14

Multiply $- 24$ by $- 20$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 1800 x^{3} - 2040 x^{2} + 480 x + 25 (90 x^{2}) + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.15

Multiply $90$ by $25$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 1800 x^{3} - 2040 x^{2} + 480 x + 2250 x^{2} + 25 (102 x) + 25 \cdot - 24$

Step 3.7.14.16

Multiply $102$ by $25$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 1800 x^{3} - 2040 x^{2} + 480 x + 2250 x^{2} + 2550 x + 25 \cdot - 24$

Step 3.7.14.17

Multiply $25$ by $- 24$ .

$360 x^{4} + 408 x^{3} - 96 x^{2} - 1800 x^{3} - 2040 x^{2} + 480 x + 2250 x^{2} + 2550 x - 600$

Step 3.7.15

Subtract $1800 x^{3}$ from $408 x^{3}$ .

$360 x^{4} - 1392 x^{3} - 96 x^{2} - 2040 x^{2} + 480 x + 2250 x^{2} + 2550 x - 600$

Step 3.7.16

Subtract $2040 x^{2}$ from $- 96 x^{2}$ .

$360 x^{4} - 1392 x^{3} - 2136 x^{2} + 480 x + 2250 x^{2} + 2550 x - 600$

Step 3.7.17

Add $- 2136 x^{2}$ and $2250 x^{2}$ .

$360 x^{4} - 1392 x^{3} + 114 x^{2} + 480 x + 2550 x - 600$

Step 3.7.18

Add $480 x$ and $2550 x$ .

$360 x^{4} - 1392 x^{3} + 114 x^{2} + 3030 x - 600$

Step 4

Reform the equation by setting the left side equal to the right side.

$y' = 360 x^{4} - 1392 x^{3} + 114 x^{2} + 3030 x - 600$

Step 5

Replace $y'$ with $\frac{d y}{d x}$ .

$\frac{d y}{d x} = 360 x^{4} - 1392 x^{3} + 114 x^{2} + 3030 x - 600$