Calculus Examples

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

Step 1

Differentiate both sides of the equation.

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

Step 2

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

$y'$

Step 3

Differentiate the right side of the equation.

Tap for more steps...

Step 3.1

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 $g (x) = x^{2} - 3 y$ .

Tap for more steps...

Step 3.1.1

To apply the Chain Rule, set $u$ as $x^{2} - 3 y$ .

$\frac{d}{d u} [u^{3}] \frac{d}{d x} [x^{2} - 3 y]$

Step 3.1.2

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

$3 u^{2} \frac{d}{d x} [x^{2} - 3 y]$

Step 3.1.3

Replace all occurrences of $u$ with $x^{2} - 3 y$ .

$3 {(x^{2} - 3 y)}^{2} \frac{d}{d x} [x^{2} - 3 y]$

Step 3.2

Differentiate.

Tap for more steps...

Step 3.2.1

By the Sum Rule, the derivative of $x^{2} - 3 y$ with respect to $x$ is $\frac{d}{d x} [x^{2}] + \frac{d}{d x} [- 3 y]$ .

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

Step 3.2.2

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

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

Step 3.2.3

Since $- 3$ is constant with respect to $x$ , the derivative of $- 3 y$ with respect to $x$ is $- 3 \frac{d}{d x} [y]$ .

$3 {(x^{2} - 3 y)}^{2} (2 x - 3 \frac{d}{d x} [y])$

Step 3.3

Rewrite $\frac{d}{d x} [y]$ as $y'$ .

$3 {(x^{2} - 3 y)}^{2} (2 x - 3 y')$

Step 4

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

$y' = 3 {(x^{2} - 3 y)}^{2} (2 x - 3 y')$

Step 5

Solve for $y'$ .

Tap for more steps...

Step 5.1

Simplify $3 {(x^{2} - 3 y)}^{2} (2 x - 3 y')$ .

Tap for more steps...

Step 5.1.1

Rewrite ${(x^{2} - 3 y)}^{2}$ as $(x^{2} - 3 y) (x^{2} - 3 y)$ .

$y' = 3 ((x^{2} - 3 y) (x^{2} - 3 y)) (2 x - 3 y')$

Step 5.1.2

Expand $(x^{2} - 3 y) (x^{2} - 3 y)$ using the FOIL Method.

Tap for more steps...

Step 5.1.2.1

Apply the distributive property.

$y' = 3 (x^{2} (x^{2} - 3 y) - 3 y (x^{2} - 3 y)) (2 x - 3 y')$

Step 5.1.2.2

Apply the distributive property.

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

Step 5.1.2.3

Apply the distributive property.

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

Step 5.1.3

Simplify and combine like terms.

Tap for more steps...

Step 5.1.3.1

Simplify each term.

Tap for more steps...

Step 5.1.3.1.1

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

Tap for more steps...

Step 5.1.3.1.1.1

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

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

Step 5.1.3.1.1.2

Add $2$ and $2$ .

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

Step 5.1.3.1.2

Rewrite using the commutative property of multiplication.

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

Step 5.1.3.1.3

Rewrite using the commutative property of multiplication.

$y' = 3 (x^{4} - 3 x^{2} y - 3 y x^{2} - 3 \cdot - 3 y \cdot y) (2 x - 3 y')$

Step 5.1.3.1.4

Multiply $y$ by $y$ by adding the exponents.

Tap for more steps...

Step 5.1.3.1.4.1

Move $y$ .

$y' = 3 (x^{4} - 3 x^{2} y - 3 y x^{2} - 3 \cdot - 3 (y \cdot y)) (2 x - 3 y')$

Step 5.1.3.1.4.2

Multiply $y$ by $y$ .

$y' = 3 (x^{4} - 3 x^{2} y - 3 y x^{2} - 3 \cdot - 3 y^{2}) (2 x - 3 y')$

Step 5.1.3.1.5

Multiply $- 3$ by $- 3$ .

$y' = 3 (x^{4} - 3 x^{2} y - 3 y x^{2} + 9 y^{2}) (2 x - 3 y')$

Step 5.1.3.2

Subtract $3 y x^{2}$ from $- 3 x^{2} y$ .

Tap for more steps...

Step 5.1.3.2.1

Move $y$ .

$y' = 3 (x^{4} - 3 x^{2} y - 3 x^{2} y + 9 y^{2}) (2 x - 3 y')$

Step 5.1.3.2.2

Subtract $3 x^{2} y$ from $- 3 x^{2} y$ .

$y' = 3 (x^{4} - 6 x^{2} y + 9 y^{2}) (2 x - 3 y')$

Step 5.1.4

Apply the distributive property.

$y' = (3 x^{4} + 3 (- 6 x^{2} y) + 3 (9 y^{2})) (2 x - 3 y')$

Step 5.1.5

Simplify.

Tap for more steps...

Step 5.1.5.1

Multiply $- 6$ by $3$ .

$y' = (3 x^{4} - 18 (x^{2} y) + 3 (9 y^{2})) (2 x - 3 y')$

Step 5.1.5.2

Multiply $9$ by $3$ .

$y' = (3 x^{4} - 18 (x^{2} y) + 27 y^{2}) (2 x - 3 y')$

Step 5.1.6

Expand $(3 x^{4} - 18 x^{2} y + 27 y^{2}) (2 x - 3 y')$ by multiplying each term in the first expression by each term in the second expression.

$y' = 3 x^{4} (2 x) + 3 x^{4} (- 3 y') - 18 x^{2} y (2 x) - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7

Simplify each term.

Tap for more steps...

Step 5.1.7.1

Rewrite using the commutative property of multiplication.

$y' = 3 \cdot 2 x^{4} x + 3 x^{4} (- 3 y') - 18 x^{2} y (2 x) - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.2

Multiply $x^{4}$ by $x$ by adding the exponents.

Tap for more steps...

Step 5.1.7.2.1

Move $x$ .

$y' = 3 \cdot 2 (x \cdot x^{4}) + 3 x^{4} (- 3 y') - 18 x^{2} y (2 x) - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.2.2

Multiply $x$ by $x^{4}$ .

Tap for more steps...

Step 5.1.7.2.2.1

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

$y' = 3 \cdot 2 (x^{1} x^{4}) + 3 x^{4} (- 3 y') - 18 x^{2} y (2 x) - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.2.2.2

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

$y' = 3 \cdot 2 x^{1 + 4} + 3 x^{4} (- 3 y') - 18 x^{2} y (2 x) - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.2.3

Add $1$ and $4$ .

$y' = 3 \cdot 2 x^{5} + 3 x^{4} (- 3 y') - 18 x^{2} y (2 x) - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.3

Multiply $3$ by $2$ .

$y' = 6 x^{5} + 3 x^{4} (- 3 y') - 18 x^{2} y (2 x) - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.4

Rewrite using the commutative property of multiplication.

$y' = 6 x^{5} + 3 \cdot - 3 x^{4} y' - 18 x^{2} y (2 x) - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.5

Multiply $3$ by $- 3$ .

$y' = 6 x^{5} - 9 x^{4} y' - 18 x^{2} y (2 x) - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.6

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

Tap for more steps...

Step 5.1.7.6.1

Move $x$ .

$y' = 6 x^{5} - 9 x^{4} y' - 18 (x \cdot x^{2}) y \cdot 2 - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.6.2

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

Tap for more steps...

Step 5.1.7.6.2.1

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

$y' = 6 x^{5} - 9 x^{4} y' - 18 (x^{1} x^{2}) y \cdot 2 - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.6.2.2

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

$y' = 6 x^{5} - 9 x^{4} y' - 18 x^{1 + 2} y \cdot 2 - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.6.3

Add $1$ and $2$ .

$y' = 6 x^{5} - 9 x^{4} y' - 18 x^{3} y \cdot 2 - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.7

Multiply $2$ by $- 18$ .

$y' = 6 x^{5} - 9 x^{4} y' - 36 x^{3} y - 18 x^{2} y (- 3 y') + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.8

Multiply $- 3$ by $- 18$ .

$y' = 6 x^{5} - 9 x^{4} y' - 36 x^{3} y + 54 x^{2} y y' + 27 y^{2} (2 x) + 27 y^{2} (- 3 y')$

Step 5.1.7.9

Rewrite using the commutative property of multiplication.

$y' = 6 x^{5} - 9 x^{4} y' - 36 x^{3} y + 54 x^{2} y y' + 27 \cdot 2 y^{2} x + 27 y^{2} (- 3 y')$

Step 5.1.7.10

Multiply $27$ by $2$ .

$y' = 6 x^{5} - 9 x^{4} y' - 36 x^{3} y + 54 x^{2} y y' + 54 y^{2} x + 27 y^{2} (- 3 y')$

Step 5.1.7.11

Rewrite using the commutative property of multiplication.

$y' = 6 x^{5} - 9 x^{4} y' - 36 x^{3} y + 54 x^{2} y y' + 54 y^{2} x + 27 \cdot - 3 y^{2} y'$

Step 5.1.7.12

Multiply $27$ by $- 3$ .

$y' = 6 x^{5} - 9 x^{4} y' - 36 x^{3} y + 54 x^{2} y y' + 54 y^{2} x - 81 y^{2} y'$

Step 5.2

Since $y'$ is on the right side of the equation, switch the sides so it is on the left side of the equation.

$6 x^{5} - 9 x^{4} y' - 36 x^{3} y + 54 x^{2} y y' + 54 y^{2} x - 81 y^{2} y' = y'$

Step 5.3

Subtract $y'$ from both sides of the equation.

$6 x^{5} - 9 x^{4} y' - 36 x^{3} y + 54 x^{2} y y' + 54 y^{2} x - 81 y^{2} y' - y' = 0$

Step 5.4

Move all terms not containing $y'$ to the right side of the equation.

Tap for more steps...

Step 5.4.1

Subtract $6 x^{5}$ from both sides of the equation.

$- 9 x^{4} y' - 36 x^{3} y + 54 x^{2} y y' + 54 y^{2} x - 81 y^{2} y' - y' = - 6 x^{5}$

Step 5.4.2

Add $36 x^{3} y$ to both sides of the equation.

$- 9 x^{4} y' + 54 x^{2} y y' + 54 y^{2} x - 81 y^{2} y' - y' = - 6 x^{5} + 36 x^{3} y$

Step 5.4.3

Subtract $54 y^{2} x$ from both sides of the equation.

$- 9 x^{4} y' + 54 x^{2} y y' - 81 y^{2} y' - y' = - 6 x^{5} + 36 x^{3} y - 54 y^{2} x$

Step 5.5

Factor $y'$ out of $- 9 x^{4} y' + 54 x^{2} y y' - 81 y^{2} y' - y'$ .

Tap for more steps...

Step 5.5.1

Factor $y'$ out of $- 9 x^{4} y'$ .

$y' (- 9 x^{4}) + 54 x^{2} y y' - 81 y^{2} y' - y' = - 6 x^{5} + 36 x^{3} y - 54 y^{2} x$

Step 5.5.2

Factor $y'$ out of $54 x^{2} y y'$ .

$y' (- 9 x^{4}) + y' (54 x^{2} y) - 81 y^{2} y' - y' = - 6 x^{5} + 36 x^{3} y - 54 y^{2} x$

Step 5.5.3

Factor $y'$ out of $- 81 y^{2} y'$ .

$y' (- 9 x^{4}) + y' (54 x^{2} y) + y' (- 81 y^{2}) - y' = - 6 x^{5} + 36 x^{3} y - 54 y^{2} x$

Step 5.5.4

Factor $y'$ out of $- y'$ .

$y' (- 9 x^{4}) + y' (54 x^{2} y) + y' (- 81 y^{2}) + y' \cdot - 1 = - 6 x^{5} + 36 x^{3} y - 54 y^{2} x$

Step 5.5.5

Factor $y'$ out of $y' (- 9 x^{4}) + y' (54 x^{2} y)$ .

$y' (- 9 x^{4} + 54 x^{2} y) + y' (- 81 y^{2}) + y' \cdot - 1 = - 6 x^{5} + 36 x^{3} y - 54 y^{2} x$

Step 5.5.6

Factor $y'$ out of $y' (- 9 x^{4} + 54 x^{2} y) + y' (- 81 y^{2})$ .

$y' (- 9 x^{4} + 54 x^{2} y - 81 y^{2}) + y' \cdot - 1 = - 6 x^{5} + 36 x^{3} y - 54 y^{2} x$

Step 5.5.7

Factor $y'$ out of $y' (- 9 x^{4} + 54 x^{2} y - 81 y^{2}) + y' \cdot - 1$ .

$y' (- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1) = - 6 x^{5} + 36 x^{3} y - 54 y^{2} x$

Step 5.6

Divide each term in $y' (- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1) = - 6 x^{5} + 36 x^{3} y - 54 y^{2} x$ by $- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1$ and simplify.

Tap for more steps...

Step 5.6.1

Divide each term in $y' (- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1) = - 6 x^{5} + 36 x^{3} y - 54 y^{2} x$ by $- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1$ .

$\frac{y' (- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1)}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1} = \frac{- 6 x^{5}}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1} + \frac{36 x^{3} y}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1} + \frac{- 54 y^{2} x}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.2

Simplify the left side.

Tap for more steps...

Step 5.6.2.1

Cancel the common factor of $- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1$ .

Tap for more steps...

Step 5.6.2.1.1

Cancel the common factor.

Step 5.6.2.1.2

Divide $y'$ by $1$ .

$y' = \frac{- 6 x^{5}}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1} + \frac{36 x^{3} y}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1} + \frac{- 54 y^{2} x}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3

Simplify the right side.

Tap for more steps...

Step 5.6.3.1

Simplify terms.

Tap for more steps...

Step 5.6.3.1.1

Simplify each term.

Tap for more steps...

Step 5.6.3.1.1.1

Move the negative in front of the fraction.

$y' = - \frac{6 x^{5}}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1} + \frac{36 x^{3} y}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1} + \frac{- 54 y^{2} x}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.1.1.2

Move the negative in front of the fraction.

$y' = - \frac{6 x^{5}}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1} + \frac{36 x^{3} y}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1} - \frac{54 y^{2} x}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.1.2

Combine into one fraction.

Tap for more steps...

Step 5.6.3.1.2.1

Combine the numerators over the common denominator.

$y' = \frac{- 6 x^{5} + 36 x^{3} y}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1} - \frac{54 y^{2} x}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.1.2.2

Combine the numerators over the common denominator.

$y' = \frac{- 6 x^{5} + 36 x^{3} y - 54 y^{2} x}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2

Simplify the numerator.

Tap for more steps...

Step 5.6.3.2.1

Factor $6 x$ out of $- 6 x^{5} + 36 x^{3} y - 54 y^{2} x$ .

Tap for more steps...

Step 5.6.3.2.1.1

Factor $6 x$ out of $- 6 x^{5}$ .

$y' = \frac{6 x (- x^{4}) + 36 x^{3} y - 54 y^{2} x}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.1.2

Factor $6 x$ out of $36 x^{3} y$ .

$y' = \frac{6 x (- x^{4}) + 6 x (6 x^{2} y) - 54 y^{2} x}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.1.3

Factor $6 x$ out of $- 54 y^{2} x$ .

$y' = \frac{6 x (- x^{4}) + 6 x (6 x^{2} y) + 6 x (- 9 y^{2})}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.1.4

Factor $6 x$ out of $6 x (- x^{4}) + 6 x (6 x^{2} y)$ .

$y' = \frac{6 x (- x^{4} + 6 x^{2} y) + 6 x (- 9 y^{2})}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.1.5

Factor $6 x$ out of $6 x (- x^{4} + 6 x^{2} y) + 6 x (- 9 y^{2})$ .

$y' = \frac{6 x (- x^{4} + 6 x^{2} y - 9 y^{2})}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.2

Factor by grouping.

Tap for more steps...

Step 5.6.3.2.2.1

For a polynomial of the form $a x^{2} + b x + c$ , rewrite the middle term as a sum of two terms whose product is $a \cdot c = - 1 \cdot - 9 = 9$ and whose sum is $b = 6$ .

Tap for more steps...

Step 5.6.3.2.2.1.1

Reorder terms.

$y' = \frac{6 x (- x^{4} - 9 y^{2} + 6 x^{2} y)}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.2.1.2

Reorder $- 9 y^{2}$ and $6 x^{2} y$ .

$y' = \frac{6 x (- x^{4} + 6 x^{2} y - 9 y^{2})}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.2.1.3

Factor $6$ out of $6 x^{2} y$ .

$y' = \frac{6 x (- x^{4} + 6 (x^{2} y) - 9 y^{2})}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.2.1.4

Rewrite $6$ as $3$ plus $3$

$y' = \frac{6 x (- x^{4} + (3 + 3) (x^{2} y) - 9 y^{2})}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.2.1.5

Apply the distributive property.

$y' = \frac{6 x (- x^{4} + 3 (x^{2} y) + 3 (x^{2} y) - 9 y^{2})}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.2.1.6

Move parentheses.

$y' = \frac{6 x (- x^{4} + 3 x^{2} y + 3 x^{2} y - 9 y^{2})}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.2.2

Factor out the greatest common factor from each group.

Tap for more steps...

Step 5.6.3.2.2.2.1

Group the first two terms and the last two terms.

$y' = \frac{6 x ((- x^{4} + 3 x^{2} y) + 3 x^{2} y - 9 y^{2})}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.2.2.2

Factor out the greatest common factor (GCF) from each group.

$y' = \frac{6 x (x^{2} (- x^{2} + 3 y) - 3 y (- x^{2} + 3 y))}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.2.3

Factor the polynomial by factoring out the greatest common factor, $- x^{2} + 3 y$ .

$y' = \frac{6 x ((- x^{2} + 3 y) (x^{2} - 3 y))}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

$y' = \frac{6 x (- x^{2} + 3 y) (x^{2} - 3 y)}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.3

Combine exponents.

Tap for more steps...

Step 5.6.3.2.3.1

Factor $- 1$ out of $- x^{2}$ .

$y' = \frac{6 x (- (x^{2}) + 3 y) (x^{2} - 3 y)}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.3.2

Factor $- 1$ out of $3 y$ .

$y' = \frac{6 x (- (x^{2}) - (- 3 y)) (x^{2} - 3 y)}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.3.3

Factor $- 1$ out of $- (x^{2}) - (- 3 y)$ .

$y' = \frac{6 x (- (x^{2} - 3 y)) (x^{2} - 3 y)}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.3.4

Rewrite $- (x^{2} - 3 y)$ as $- 1 (x^{2} - 3 y)$ .

$y' = \frac{6 x (- 1 (x^{2} - 3 y)) (x^{2} - 3 y)}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.3.5

Raise $x^{2} - 3 y$ to the power of $1$ .

$y' = \frac{6 x \cdot - 1 ({(x^{2} - 3 y)}^{1} (x^{2} - 3 y))}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.3.6

Raise $x^{2} - 3 y$ to the power of $1$ .

$y' = \frac{6 x \cdot - 1 ({(x^{2} - 3 y)}^{1} {(x^{2} - 3 y)}^{1})}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.3.7

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

$y' = \frac{6 x \cdot - 1 {(x^{2} - 3 y)}^{1 + 1}}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.3.8

Add $1$ and $1$ .

$y' = \frac{6 x \cdot - 1 {(x^{2} - 3 y)}^{2}}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.2.3.9

Multiply $- 1$ by $6$ .

$y' = \frac{- 6 x {(x^{2} - 3 y)}^{2}}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.3

Simplify with factoring out.

Tap for more steps...

Step 5.6.3.3.1

Move the negative in front of the fraction.

$y' = - \frac{6 x {(x^{2} - 3 y)}^{2}}{- 9 x^{4} + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.3.2

Factor $- 1$ out of $- 9 x^{4}$ .

$y' = - \frac{6 x {(x^{2} - 3 y)}^{2}}{- (9 x^{4}) + 54 x^{2} y - 81 y^{2} - 1}$

Step 5.6.3.3.3

Factor $- 1$ out of $54 x^{2} y$ .

$y' = - \frac{6 x {(x^{2} - 3 y)}^{2}}{- (9 x^{4}) - (- 54 x^{2} y) - 81 y^{2} - 1}$

Step 5.6.3.3.4

Factor $- 1$ out of $- (9 x^{4}) - (- 54 x^{2} y)$ .

$y' = - \frac{6 x {(x^{2} - 3 y)}^{2}}{- (9 x^{4} - 54 x^{2} y) - 81 y^{2} - 1}$

Step 5.6.3.3.5

Factor $- 1$ out of $- 81 y^{2}$ .

$y' = - \frac{6 x {(x^{2} - 3 y)}^{2}}{- (9 x^{4} - 54 x^{2} y) - (81 y^{2}) - 1}$

Step 5.6.3.3.6

Factor $- 1$ out of $- (9 x^{4} - 54 x^{2} y) - (81 y^{2})$ .

$y' = - \frac{6 x {(x^{2} - 3 y)}^{2}}{- (9 x^{4} - 54 x^{2} y + 81 y^{2}) - 1}$

Step 5.6.3.3.7

Rewrite $- 1$ as $- 1 (1)$ .

$y' = - \frac{6 x {(x^{2} - 3 y)}^{2}}{- (9 x^{4} - 54 x^{2} y + 81 y^{2}) - 1 (1)}$

Step 5.6.3.3.8

Factor $- 1$ out of $- (9 x^{4} - 54 x^{2} y + 81 y^{2}) - 1 (1)$ .

$y' = - \frac{6 x {(x^{2} - 3 y)}^{2}}{- (9 x^{4} - 54 x^{2} y + 81 y^{2} + 1)}$

Step 5.6.3.3.9

Simplify the expression.

Tap for more steps...

Step 5.6.3.3.9.1

Rewrite $- (9 x^{4} - 54 x^{2} y + 81 y^{2} + 1)$ as $- 1 (9 x^{4} - 54 x^{2} y + 81 y^{2} + 1)$ .

$y' = - \frac{6 x {(x^{2} - 3 y)}^{2}}{- 1 (9 x^{4} - 54 x^{2} y + 81 y^{2} + 1)}$

Step 5.6.3.3.9.2

Move the negative in front of the fraction.

$y' = - - \frac{6 x {(x^{2} - 3 y)}^{2}}{9 x^{4} - 54 x^{2} y + 81 y^{2} + 1}$

Step 5.6.3.3.9.3

Multiply $- 1$ by $- 1$ .

$y' = 1 \frac{6 x {(x^{2} - 3 y)}^{2}}{9 x^{4} - 54 x^{2} y + 81 y^{2} + 1}$

Step 5.6.3.3.9.4

Multiply $\frac{6 x {(x^{2} - 3 y)}^{2}}{9 x^{4} - 54 x^{2} y + 81 y^{2} + 1}$ by $1$ .

$y' = \frac{6 x {(x^{2} - 3 y)}^{2}}{9 x^{4} - 54 x^{2} y + 81 y^{2} + 1}$

Step 6

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

$\frac{d y}{d x} = \frac{6 x {(x^{2} - 3 y)}^{2}}{9 x^{4} - 54 x^{2} y + 81 y^{2} + 1}$