Calculus Examples

$\frac{y}{x^{3}} + \frac{x}{y^{3}} = x^{2} y^{2}$

Step 1

Differentiate both sides of the equation.

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

Step 2

Differentiate the left side of the equation.

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Step 2.1

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

$\frac{d}{d x} [\frac{y}{x^{3}}] + \frac{d}{d x} [\frac{x}{y^{3}}]$

Step 2.2

Evaluate $\frac{d}{d x} [\frac{y}{x^{3}}]$ .

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Step 2.2.1

Differentiate using the Quotient Rule which states that $\frac{d}{d x} [\frac{f (x)}{g (x)}]$ is $\frac{g (x) \frac{d}{d x} [f (x)] - f (x) \frac{d}{d x} [g (x)]}{{g (x)}^{2}}$ where $f (x) = y$ and $g (x) = x^{3}$ .

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

Step 2.2.2

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

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

Step 2.2.3

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

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

Step 2.2.4

Multiply $3$ by $- 1$ .

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

Step 2.2.5

Multiply the exponents in ${(x^{3})}^{2}$ .

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Step 2.2.5.1

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

$\frac{x^{3} y' - 3 y x^{2}}{x^{3 \cdot 2}} + \frac{d}{d x} [\frac{x}{y^{3}}]$

Step 2.2.5.2

Multiply $3$ by $2$ .

$\frac{x^{3} y' - 3 y x^{2}}{x^{6}} + \frac{d}{d x} [\frac{x}{y^{3}}]$

Step 2.2.6

Factor $x^{2}$ out of $x^{3} y' - 3 y x^{2}$ .

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Step 2.2.6.1

Factor $x^{2}$ out of $x^{3} y'$ .

$\frac{x^{2} (x y') - 3 y x^{2}}{x^{6}} + \frac{d}{d x} [\frac{x}{y^{3}}]$

Step 2.2.6.2

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

$\frac{x^{2} (x y') + x^{2} (- 3 y)}{x^{6}} + \frac{d}{d x} [\frac{x}{y^{3}}]$

Step 2.2.6.3

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

$\frac{x^{2} (x y' - 3 y)}{x^{6}} + \frac{d}{d x} [\frac{x}{y^{3}}]$

Step 2.2.7

Cancel the common factors.

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Step 2.2.7.1

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

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

Step 2.2.7.2

Cancel the common factor.

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

Step 2.2.7.3

Rewrite the expression.

$\frac{x y' - 3 y}{x^{4}} + \frac{d}{d x} [\frac{x}{y^{3}}]$

Step 2.3

Evaluate $\frac{d}{d x} [\frac{x}{y^{3}}]$ .

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Step 2.3.1

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

Step 2.3.2

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

$\frac{x y' - 3 y}{x^{4}} + \frac{y^{3} \cdot 1 - x \frac{d}{d x} [y^{3}]}{{(y^{3})}^{2}}$

Step 2.3.3

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 $g (x) = y$ .

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Step 2.3.3.1

To apply the Chain Rule, set $u$ as $y$ .

$\frac{x y' - 3 y}{x^{4}} + \frac{y^{3} \cdot 1 - x (\frac{d}{d u} [u^{3}] \frac{d}{d x} [y])}{{(y^{3})}^{2}}$

Step 2.3.3.2

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

$\frac{x y' - 3 y}{x^{4}} + \frac{y^{3} \cdot 1 - x (3 u^{2} \frac{d}{d x} [y])}{{(y^{3})}^{2}}$

Step 2.3.3.3

Replace all occurrences of $u$ with $y$ .

$\frac{x y' - 3 y}{x^{4}} + \frac{y^{3} \cdot 1 - x (3 y^{2} \frac{d}{d x} [y])}{{(y^{3})}^{2}}$

Step 2.3.4

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

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

Step 2.3.5

Multiply $y^{3}$ by $1$ .

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

Step 2.3.6

Multiply $3$ by $- 1$ .

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

Step 2.3.7

Multiply the exponents in ${(y^{3})}^{2}$ .

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Step 2.3.7.1

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

$\frac{x y' - 3 y}{x^{4}} + \frac{y^{3} - 3 x y^{2} y'}{y^{3 \cdot 2}}$

Step 2.3.7.2

Multiply $3$ by $2$ .

$\frac{x y' - 3 y}{x^{4}} + \frac{y^{3} - 3 x y^{2} y'}{y^{6}}$

Step 2.3.8

Factor $y^{2}$ out of $y^{3} - 3 x y^{2} y'$ .

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Step 2.3.8.1

Factor $y^{2}$ out of $y^{3}$ .

$\frac{x y' - 3 y}{x^{4}} + \frac{y^{2} y - 3 x y^{2} y'}{y^{6}}$

Step 2.3.8.2

Factor $y^{2}$ out of $- 3 x y^{2} y'$ .

$\frac{x y' - 3 y}{x^{4}} + \frac{y^{2} y + y^{2} (- 3 x y')}{y^{6}}$

Step 2.3.8.3

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

$\frac{x y' - 3 y}{x^{4}} + \frac{y^{2} (y - 3 x y')}{y^{6}}$

Step 2.3.9

Cancel the common factors.

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Step 2.3.9.1

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

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

Step 2.3.9.2

Cancel the common factor.

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

Step 2.3.9.3

Rewrite the expression.

$\frac{x y' - 3 y}{x^{4}} + \frac{y - 3 x y'}{y^{4}}$

Step 2.4

Simplify.

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Step 2.4.1

Combine terms.

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Step 2.4.1.1

To write $\frac{x y' - 3 y}{x^{4}}$ as a fraction with a common denominator, multiply by $\frac{y^{4}}{y^{4}}$ .

$\frac{x y' - 3 y}{x^{4}} \cdot \frac{y^{4}}{y^{4}} + \frac{y - 3 x y'}{y^{4}}$

Step 2.4.1.2

To write $\frac{y - 3 x y'}{y^{4}}$ as a fraction with a common denominator, multiply by $\frac{x^{4}}{x^{4}}$ .

$\frac{x y' - 3 y}{x^{4}} \cdot \frac{y^{4}}{y^{4}} + \frac{y - 3 x y'}{y^{4}} \cdot \frac{x^{4}}{x^{4}}$

Step 2.4.1.3

Write each expression with a common denominator of $x^{4} y^{4}$ , by multiplying each by an appropriate factor of $1$ .

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Step 2.4.1.3.1

Multiply $\frac{x y' - 3 y}{x^{4}}$ by $\frac{y^{4}}{y^{4}}$ .

$\frac{(x y' - 3 y) y^{4}}{x^{4} y^{4}} + \frac{y - 3 x y'}{y^{4}} \cdot \frac{x^{4}}{x^{4}}$

Step 2.4.1.3.2

Multiply $\frac{y - 3 x y'}{y^{4}}$ by $\frac{x^{4}}{x^{4}}$ .

$\frac{(x y' - 3 y) y^{4}}{x^{4} y^{4}} + \frac{(y - 3 x y') x^{4}}{y^{4} x^{4}}$

Step 2.4.1.3.3

Reorder the factors of $y^{4} x^{4}$ .

$\frac{(x y' - 3 y) y^{4}}{x^{4} y^{4}} + \frac{(y - 3 x y') x^{4}}{x^{4} y^{4}}$

Step 2.4.1.4

Combine the numerators over the common denominator.

$\frac{(x y' - 3 y) y^{4} + (y - 3 x y') x^{4}}{x^{4} y^{4}}$

Step 2.4.2

Reorder terms.

$\frac{y^{4} (x y' - 3 y) + x^{4} (y - 3 x y')}{x^{4} y^{4}}$

Step 3

Differentiate the right side of the equation.

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Step 3.1

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 $f (x) = x^{2}$ and $g (x) = y^{2}$ .

$x^{2} \frac{d}{d x} [y^{2}] + y^{2} \frac{d}{d x} [x^{2}]$

Step 3.2

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

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Step 3.2.1

To apply the Chain Rule, set $u$ as $y$ .

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

Step 3.2.2

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

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

Step 3.2.3

Replace all occurrences of $u$ with $y$ .

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

Step 3.3

Move $2$ to the left of $x^{2}$ .

$2 \cdot x^{2} y \frac{d}{d x} [y] + y^{2} \frac{d}{d x} [x^{2}]$

Step 3.4

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

$2 x^{2} y y' + y^{2} \frac{d}{d x} [x^{2}]$

Step 3.5

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

$2 x^{2} y y' + y^{2} (2 x)$

Step 3.6

Move $2$ to the left of $y^{2}$ .

$2 x^{2} y y' + 2 y^{2} x$

Step 4

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

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

Step 5

Solve for $y'$ .

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Step 5.1

Multiply both sides by $x^{4} y^{4}$ .

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

Step 5.2

Simplify.

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Step 5.2.1

Simplify the left side.

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Step 5.2.1.1

Simplify $\frac{y^{4} (x y' - 3 y) + x^{4} (y - 3 x y')}{x^{4} y^{4}} (x^{4} y^{4})$ .

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Step 5.2.1.1.1

Cancel the common factor of $x^{4} y^{4}$ .

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Step 5.2.1.1.1.1

Cancel the common factor.

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

Step 5.2.1.1.1.2

Rewrite the expression.

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

Step 5.2.1.1.2

Simplify each term.

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Step 5.2.1.1.2.1

Apply the distributive property.

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

Step 5.2.1.1.2.2

Rewrite using the commutative property of multiplication.

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

Step 5.2.1.1.2.3

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

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Step 5.2.1.1.2.3.1

Move $y$ .

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

Step 5.2.1.1.2.3.2

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

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Step 5.2.1.1.2.3.2.1

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

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

Step 5.2.1.1.2.3.2.2

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

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

Step 5.2.1.1.2.3.3

Add $1$ and $4$ .

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

Step 5.2.1.1.2.4

Apply the distributive property.

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

Step 5.2.1.1.2.5

Rewrite using the commutative property of multiplication.

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

Step 5.2.1.1.2.6

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

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Step 5.2.1.1.2.6.1

Move $x$ .

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

Step 5.2.1.1.2.6.2

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

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Step 5.2.1.1.2.6.2.1

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

$y^{4} x y' - 3 y^{5} + x^{4} y - 3 (x^{1} x^{4}) y' = (2 x^{2} y y' + 2 y^{2} x) (x^{4} y^{4})$

Step 5.2.1.1.2.6.2.2

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

$y^{4} x y' - 3 y^{5} + x^{4} y - 3 x^{1 + 4} y' = (2 x^{2} y y' + 2 y^{2} x) (x^{4} y^{4})$

Step 5.2.1.1.2.6.3

Add $1$ and $4$ .

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

Step 5.2.1.1.3

Simplify the expression.

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Step 5.2.1.1.3.1

Move $y^{4}$ .

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

Step 5.2.1.1.3.2

Reorder $x$ and $y'$ .

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

Step 5.2.1.1.3.3

Move $x^{5}$ .

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

Step 5.2.1.1.3.4

Move $- 3 y^{5}$ .

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

Step 5.2.1.1.3.5

Move $x^{4} y$ .

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

Step 5.2.1.1.3.6

Reorder $y' x y^{4}$ and $- 3 y' x^{5}$ .

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

Step 5.2.2

Simplify the right side.

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Step 5.2.2.1

Simplify $(2 x^{2} y y' + 2 y^{2} x) (x^{4} y^{4})$ .

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Step 5.2.2.1.1

Apply the distributive property.

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

Step 5.2.2.1.2

Multiply $x^{2}$ by $x^{4}$ by adding the exponents.

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Step 5.2.2.1.2.1

Move $x^{4}$ .

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

Step 5.2.2.1.2.2

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

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

Step 5.2.2.1.2.3

Add $4$ and $2$ .

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

Step 5.2.2.1.3

Multiply $y^{2}$ by $y^{4}$ by adding the exponents.

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Step 5.2.2.1.3.1

Move $y^{4}$ .

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

Step 5.2.2.1.3.2

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

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

Step 5.2.2.1.3.3

Add $4$ and $2$ .

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

Step 5.2.2.1.4

Simplify each term.

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Step 5.2.2.1.4.1

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

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Step 5.2.2.1.4.1.1

Move $y^{4}$ .

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

Step 5.2.2.1.4.1.2

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

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Step 5.2.2.1.4.1.2.1

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

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

Step 5.2.2.1.4.1.2.2

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

$- 3 y' x^{5} + y' x y^{4} + x^{4} y - 3 y^{5} = 2 x^{6} y^{4 + 1} y' + 2 y^{6} x \cdot x^{4}$

Step 5.2.2.1.4.1.3

Add $4$ and $1$ .

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

Step 5.2.2.1.4.2

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

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Step 5.2.2.1.4.2.1

Move $x^{4}$ .

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

Step 5.2.2.1.4.2.2

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

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Step 5.2.2.1.4.2.2.1

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

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

Step 5.2.2.1.4.2.2.2

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

$- 3 y' x^{5} + y' x y^{4} + x^{4} y - 3 y^{5} = 2 x^{6} y^{5} y' + 2 y^{6} x^{4 + 1}$

Step 5.2.2.1.4.2.3

Add $4$ and $1$ .

$- 3 y' x^{5} + y' x y^{4} + x^{4} y - 3 y^{5} = 2 x^{6} y^{5} y' + 2 y^{6} x^{5}$

Step 5.2.2.1.5

Reorder.

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Step 5.2.2.1.5.1

Move $y^{5}$ .

$- 3 y' x^{5} + y' x y^{4} + x^{4} y - 3 y^{5} = 2 x^{6} y' y^{5} + 2 y^{6} x^{5}$

Step 5.2.2.1.5.2

Move $x^{6}$ .

$- 3 y' x^{5} + y' x y^{4} + x^{4} y - 3 y^{5} = 2 y' x^{6} y^{5} + 2 y^{6} x^{5}$

Step 5.2.2.1.5.3

Move $y^{6}$ .

$- 3 y' x^{5} + y' x y^{4} + x^{4} y - 3 y^{5} = 2 y' x^{6} y^{5} + 2 x^{5} y^{6}$

Step 5.3

Solve for $y'$ .

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Step 5.3.1

Subtract $2 y' x^{6} y^{5}$ from both sides of the equation.

$- 3 y' x^{5} + y' x y^{4} + x^{4} y - 3 y^{5} - 2 y' x^{6} y^{5} = 2 x^{5} y^{6}$

Step 5.3.2

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

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Step 5.3.2.1

Subtract $x^{4} y$ from both sides of the equation.

$- 3 y' x^{5} + y' x y^{4} - 3 y^{5} - 2 y' x^{6} y^{5} = 2 x^{5} y^{6} - x^{4} y$

Step 5.3.2.2

Add $3 y^{5}$ to both sides of the equation.

$- 3 y' x^{5} + y' x y^{4} - 2 y' x^{6} y^{5} = 2 x^{5} y^{6} - x^{4} y + 3 y^{5}$

Step 5.3.3

Factor $y' x$ out of $- 3 y' x^{5} + y' x y^{4} - 2 y' x^{6} y^{5}$ .

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Step 5.3.3.1

Factor $y' x$ out of $- 3 y' x^{5}$ .

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

Step 5.3.3.2

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

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

Step 5.3.3.3

Factor $y' x$ out of $- 2 y' x^{6} y^{5}$ .

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

Step 5.3.3.4

Factor $y' x$ out of $y' x (- 3 x^{4}) + y' x y^{4}$ .

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

Step 5.3.3.5

Factor $y' x$ out of $y' x (- 3 x^{4} + y^{4}) + y' x (- 2 x^{5} y^{5})$ .

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

Step 5.3.4

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

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Step 5.3.4.1

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

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

Step 5.3.4.2

Simplify the left side.

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Step 5.3.4.2.1

Cancel the common factor of $x$ .

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Step 5.3.4.2.1.1

Cancel the common factor.

Step 5.3.4.2.1.2

Rewrite the expression.

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

Step 5.3.4.2.2

Cancel the common factor of $- 3 x^{4} + y^{4} - 2 x^{5} y^{5}$ .

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Step 5.3.4.2.2.1

Cancel the common factor.

Step 5.3.4.2.2.2

Divide $y'$ by $1$ .

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

Step 5.3.4.3

Simplify the right side.

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Step 5.3.4.3.1

Simplify each term.

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Step 5.3.4.3.1.1

Cancel the common factor of $x^{5}$ and $x$ .

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Step 5.3.4.3.1.1.1

Factor $x$ out of $2 x^{5} y^{6}$ .

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

Step 5.3.4.3.1.1.2

Cancel the common factors.

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Step 5.3.4.3.1.1.2.1

Cancel the common factor.

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

Step 5.3.4.3.1.1.2.2

Rewrite the expression.

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

Step 5.3.4.3.1.2

Cancel the common factor of $x^{4}$ and $x$ .

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Step 5.3.4.3.1.2.1

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

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

Step 5.3.4.3.1.2.2

Cancel the common factors.

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Step 5.3.4.3.1.2.2.1

Cancel the common factor.

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

Step 5.3.4.3.1.2.2.2

Rewrite the expression.

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

Step 5.3.4.3.1.3

Move the negative in front of the fraction.

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

Step 5.3.4.3.2

Simplify terms.

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Step 5.3.4.3.2.1

Combine the numerators over the common denominator.

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

Step 5.3.4.3.2.2

Factor $x^{3} y$ out of $2 x^{4} y^{6} - x^{3} y$ .

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Step 5.3.4.3.2.2.1

Factor $x^{3} y$ out of $2 x^{4} y^{6}$ .

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

Step 5.3.4.3.2.2.2

Factor $x^{3} y$ out of $- x^{3} y$ .

$y' = \frac{x^{3} y (2 x y^{5}) + x^{3} y (- 1)}{- 3 x^{4} + y^{4} - 2 x^{5} y^{5}} + \frac{3 y^{5}}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.2.2.3

Factor $x^{3} y$ out of $x^{3} y (2 x y^{5}) + x^{3} y (- 1)$ .

$y' = \frac{x^{3} y (2 x y^{5} - 1)}{- 3 x^{4} + y^{4} - 2 x^{5} y^{5}} + \frac{3 y^{5}}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.3

To write $\frac{x^{3} y (2 x y^{5} - 1)}{- 3 x^{4} + y^{4} - 2 x^{5} y^{5}}$ as a fraction with a common denominator, multiply by $\frac{x}{x}$ .

$y' = \frac{x^{3} y (2 x y^{5} - 1)}{- 3 x^{4} + y^{4} - 2 x^{5} y^{5}} \cdot \frac{x}{x} + \frac{3 y^{5}}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.4

Write each expression with a common denominator of $(- 3 x^{4} + y^{4} - 2 x^{5} y^{5}) x$ , by multiplying each by an appropriate factor of $1$ .

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Step 5.3.4.3.4.1

Multiply $\frac{x^{3} y (2 x y^{5} - 1)}{- 3 x^{4} + y^{4} - 2 x^{5} y^{5}}$ by $\frac{x}{x}$ .

$y' = \frac{x^{3} y (2 x y^{5} - 1) x}{(- 3 x^{4} + y^{4} - 2 x^{5} y^{5}) x} + \frac{3 y^{5}}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.4.2

Reorder the factors of $(- 3 x^{4} + y^{4} - 2 x^{5} y^{5}) x$ .

$y' = \frac{x^{3} y (2 x y^{5} - 1) x}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})} + \frac{3 y^{5}}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.5

Combine the numerators over the common denominator.

$y' = \frac{x^{3} y (2 x y^{5} - 1) x + 3 y^{5}}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6

Simplify the numerator.

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Step 5.3.4.3.6.1

Factor $y$ out of $x^{3} y (2 x y^{5} - 1) x + 3 y^{5}$ .

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Step 5.3.4.3.6.1.1

Factor $y$ out of $x^{3} y (2 x y^{5} - 1) x$ .

$y' = \frac{y ((x^{3} (2 x y^{5} - 1)) x) + 3 y^{5}}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.1.2

Factor $y$ out of $3 y^{5}$ .

$y' = \frac{y ((x^{3} (2 x y^{5} - 1)) x) + y (3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.1.3

Factor $y$ out of $y ((x^{3} (2 x y^{5} - 1)) x) + y (3 y^{4})$ .

$y' = \frac{y ((x^{3} (2 x y^{5} - 1)) x + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.2

Multiply $x^{3}$ by $x$ by adding the exponents.

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Step 5.3.4.3.6.2.1

Move $x$ .

$y' = \frac{y (x \cdot x^{3} (2 x y^{5} - 1) + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.2.2

Multiply $x$ by $x^{3}$ .

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Step 5.3.4.3.6.2.2.1

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

$y' = \frac{y (x^{1} x^{3} (2 x y^{5} - 1) + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.2.2.2

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

$y' = \frac{y (x^{1 + 3} (2 x y^{5} - 1) + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.2.3

Add $1$ and $3$ .

$y' = \frac{y (x^{4} (2 x y^{5} - 1) + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.3

Apply the distributive property.

$y' = \frac{y (x^{4} (2 x y^{5}) + x^{4} \cdot - 1 + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.4

Rewrite using the commutative property of multiplication.

$y' = \frac{y (2 x^{4} (x y^{5}) + x^{4} \cdot - 1 + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.5

Move $- 1$ to the left of $x^{4}$ .

$y' = \frac{y (2 x^{4} (x y^{5}) - 1 \cdot x^{4} + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.6

Simplify each term.

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Step 5.3.4.3.6.6.1

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

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Step 5.3.4.3.6.6.1.1

Move $x$ .

$y' = \frac{y (2 (x \cdot x^{4}) y^{5} - 1 \cdot x^{4} + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.6.1.2

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

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Step 5.3.4.3.6.6.1.2.1

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

$y' = \frac{y (2 (x^{1} x^{4}) y^{5} - 1 \cdot x^{4} + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.6.1.2.2

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

$y' = \frac{y (2 x^{1 + 4} y^{5} - 1 \cdot x^{4} + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.6.1.3

Add $1$ and $4$ .

$y' = \frac{y (2 x^{5} y^{5} - 1 \cdot x^{4} + 3 y^{4})}{x (- 3 x^{4} + y^{4} - 2 x^{5} y^{5})}$

Step 5.3.4.3.6.6.2

Rewrite $- 1 x^{4}$ as $- x^{4}$ .

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

Step 5.3.4.3.7

Simplify with factoring out.

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Step 5.3.4.3.7.1

Factor $- 1$ out of $- 3 x^{4}$ .

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

Step 5.3.4.3.7.2

Factor $- 1$ out of $y^{4}$ .

$y' = \frac{y (2 x^{5} y^{5} - x^{4} + 3 y^{4})}{x (- (3 x^{4}) - 1 (- y^{4}) - 2 x^{5} y^{5})}$

Step 5.3.4.3.7.3

Factor $- 1$ out of $- (3 x^{4}) - 1 (- y^{4})$ .

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

Step 5.3.4.3.7.4

Factor $- 1$ out of $- 2 x^{5} y^{5}$ .

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

Step 5.3.4.3.7.5

Factor $- 1$ out of $- (3 x^{4} - y^{4}) - (2 x^{5} y^{5})$ .

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

Step 5.3.4.3.7.6

Rewrite negatives.

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Step 5.3.4.3.7.6.1

Rewrite $- (3 x^{4} - y^{4} + 2 x^{5} y^{5})$ as $- 1 (3 x^{4} - y^{4} + 2 x^{5} y^{5})$ .

$y' = \frac{y (2 x^{5} y^{5} - x^{4} + 3 y^{4})}{x (- 1 (3 x^{4} - y^{4} + 2 x^{5} y^{5}))}$

Step 5.3.4.3.7.6.2

Move the negative in front of the fraction.

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

Step 6

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

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