Calculus Examples

$x^{2} + y^{2} = {(2 x^{2} + 4 y^{2} - x)}^{2}$ , $(0, 0.25)$

Step 1

Find the first derivative and evaluate at $x = 0$ and $y = 0.25$ to find the slope of the tangent line.

Tap for more steps...

Step 1.1

Differentiate both sides of the equation.

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

Step 1.2

Differentiate the left side of the equation.

Tap for more steps...

Step 1.2.1

Differentiate.

Tap for more steps...

Step 1.2.1.1

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

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

Step 1.2.1.2

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

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

Step 1.2.2

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

Tap for more steps...

Step 1.2.2.1

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

Tap for more steps...

Step 1.2.2.1.1

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

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

Step 1.2.2.1.2

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

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

Step 1.2.2.1.3

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

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

Step 1.2.2.2

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

$2 x + 2 y y'$

Step 1.2.3

Reorder terms.

$2 y y' + 2 x$

Step 1.3

Differentiate the right side of the equation.

Tap for more steps...

Step 1.3.1

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{2}$ and $g (x) = 2 x^{2} + 4 y^{2} - x$ .

Tap for more steps...

Step 1.3.1.1

To apply the Chain Rule, set $u_{1}$ as $2 x^{2} + 4 y^{2} - x$ .

$\frac{d}{d u_{1}} [{u_{1}}^{2}] \frac{d}{d x} [2 x^{2} + 4 y^{2} - x]$

Step 1.3.1.2

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

$2 u_{1} \frac{d}{d x} [2 x^{2} + 4 y^{2} - x]$

Step 1.3.1.3

Replace all occurrences of $u_{1}$ with $2 x^{2} + 4 y^{2} - x$ .

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

Step 1.3.2

Differentiate.

Tap for more steps...

Step 1.3.2.1

By the Sum Rule, the derivative of $2 x^{2} + 4 y^{2} - x$ with respect to $x$ is $\frac{d}{d x} [2 x^{2}] + \frac{d}{d x} [4 y^{2}] + \frac{d}{d x} [- x]$ .

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

Step 1.3.2.2

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

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

Step 1.3.2.3

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

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

Step 1.3.2.4

Multiply $2$ by $2$ .

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

Step 1.3.2.5

Since $4$ is constant with respect to $x$ , the derivative of $4 y^{2}$ with respect to $x$ is $4 \frac{d}{d x} [y^{2}]$ .

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

Step 1.3.3

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

Tap for more steps...

Step 1.3.3.1

To apply the Chain Rule, set $u_{2}$ as $y$ .

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

Step 1.3.3.2

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

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

Step 1.3.3.3

Replace all occurrences of $u_{2}$ with $y$ .

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

Step 1.3.4

Multiply $2$ by $4$ .

$2 (2 x^{2} + 4 y^{2} - x) (4 x + 8 (y \frac{d}{d x} [y]) + \frac{d}{d x} [- x])$

Step 1.3.5

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

$2 (2 x^{2} + 4 y^{2} - x) (4 x + 8 y y' + \frac{d}{d x} [- x])$

Step 1.3.6

Since $- 1$ is constant with respect to $x$ , the derivative of $- x$ with respect to $x$ is $- \frac{d}{d x} [x]$ .

$2 (2 x^{2} + 4 y^{2} - x) (4 x + 8 y y' - \frac{d}{d x} [x])$

Step 1.3.7

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

$2 (2 x^{2} + 4 y^{2} - x) (4 x + 8 y y' - 1 \cdot 1)$

Step 1.3.8

Multiply $- 1$ by $1$ .

$2 (2 x^{2} + 4 y^{2} - x) (4 x + 8 y y' - 1)$

Step 1.3.9

Simplify.

Tap for more steps...

Step 1.3.9.1

Apply the distributive property.

$(2 (2 x^{2}) + 2 (4 y^{2}) + 2 (- x)) (4 x + 8 y y' - 1)$

Step 1.3.9.2

Combine terms.

Tap for more steps...

Step 1.3.9.2.1

Multiply $2$ by $2$ .

$(4 x^{2} + 2 (4 y^{2}) + 2 (- x)) (4 x + 8 y y' - 1)$

Step 1.3.9.2.2

Multiply $4$ by $2$ .

$(4 x^{2} + 8 y^{2} + 2 (- x)) (4 x + 8 y y' - 1)$

Step 1.3.9.2.3

Multiply $- 1$ by $2$ .

$(4 x^{2} + 8 y^{2} - 2 x) (4 x + 8 y y' - 1)$

Step 1.3.9.3

Reorder the factors of $(4 x^{2} + 8 y^{2} - 2 x) (4 x + 8 y y' - 1)$ .

$(4 x + 8 y y' - 1) (4 x^{2} + 8 y^{2} - 2 x)$

Step 1.4

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

$2 y y' + 2 x = (4 x + 8 y y' - 1) (4 x^{2} + 8 y^{2} - 2 x)$

Step 1.5

Solve for $y'$ .

Tap for more steps...

Step 1.5.1

Simplify $(4 x + 8 y y' - 1) (4 x^{2} + 8 y^{2} - 2 x)$ .

Tap for more steps...

Step 1.5.1.1

Rewrite.

$2 y y' + 2 x = 0 + 0 + (4 x + 8 y y' - 1) (4 x^{2} + 8 y^{2} - 2 x)$

Step 1.5.1.2

Simplify by adding zeros.

$2 y y' + 2 x = (4 x + 8 y y' - 1) (4 x^{2} + 8 y^{2} - 2 x)$

Step 1.5.1.3

Expand $(4 x + 8 y y' - 1) (4 x^{2} + 8 y^{2} - 2 x)$ by multiplying each term in the first expression by each term in the second expression.

$2 y y' + 2 x = 4 x (4 x^{2}) + 4 x (8 y^{2}) + 4 x (- 2 x) + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4

Simplify terms.

Tap for more steps...

Step 1.5.1.4.1

Simplify each term.

Tap for more steps...

Step 1.5.1.4.1.1

Rewrite using the commutative property of multiplication.

$2 y y' + 2 x = 4 \cdot 4 x \cdot x^{2} + 4 x (8 y^{2}) + 4 x (- 2 x) + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.2

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

Tap for more steps...

Step 1.5.1.4.1.2.1

Move $x^{2}$ .

$2 y y' + 2 x = 4 \cdot 4 (x^{2} x) + 4 x (8 y^{2}) + 4 x (- 2 x) + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.2.2

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

Tap for more steps...

Step 1.5.1.4.1.2.2.1

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

$2 y y' + 2 x = 4 \cdot 4 (x^{2} x^{1}) + 4 x (8 y^{2}) + 4 x (- 2 x) + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.2.2.2

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

$2 y y' + 2 x = 4 \cdot 4 x^{2 + 1} + 4 x (8 y^{2}) + 4 x (- 2 x) + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.2.3

Add $2$ and $1$ .

$2 y y' + 2 x = 4 \cdot 4 x^{3} + 4 x (8 y^{2}) + 4 x (- 2 x) + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.3

Multiply $4$ by $4$ .

$2 y y' + 2 x = 16 x^{3} + 4 x (8 y^{2}) + 4 x (- 2 x) + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.4

Rewrite using the commutative property of multiplication.

$2 y y' + 2 x = 16 x^{3} + 4 \cdot 8 x y^{2} + 4 x (- 2 x) + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.5

Multiply $4$ by $8$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} + 4 x (- 2 x) + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.6

Rewrite using the commutative property of multiplication.

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} + 4 \cdot - 2 x \cdot x + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.7

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

Tap for more steps...

Step 1.5.1.4.1.7.1

Move $x$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} + 4 \cdot - 2 (x \cdot x) + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.7.2

Multiply $x$ by $x$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} + 4 \cdot - 2 x^{2} + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.8

Multiply $4$ by $- 2$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 8 x^{2} + 8 y y' (4 x^{2}) + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.9

Multiply $4$ by $8$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 8 x^{2} + 32 y y' x^{2} + 8 y y' (8 y^{2}) + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.10

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

Tap for more steps...

Step 1.5.1.4.1.10.1

Move $y^{2}$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 8 x^{2} + 32 y y' x^{2} + 8 (y^{2} y) y' \cdot 8 + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.10.2

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

Tap for more steps...

Step 1.5.1.4.1.10.2.1

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

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 8 x^{2} + 32 y y' x^{2} + 8 (y^{2} y^{1}) y' \cdot 8 + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.10.2.2

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

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 8 x^{2} + 32 y y' x^{2} + 8 y^{2 + 1} y' \cdot 8 + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.10.3

Add $2$ and $1$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 8 x^{2} + 32 y y' x^{2} + 8 y^{3} y' \cdot 8 + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.11

Multiply $8$ by $8$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 8 x^{2} + 32 y y' x^{2} + 64 y^{3} y' + 8 y y' (- 2 x) - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.12

Multiply $- 2$ by $8$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 8 x^{2} + 32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 1 (4 x^{2}) - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.13

Multiply $4$ by $- 1$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 8 x^{2} + 32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 4 x^{2} - 1 (8 y^{2}) - 1 (- 2 x)$

Step 1.5.1.4.1.14

Multiply $8$ by $- 1$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 8 x^{2} + 32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 4 x^{2} - 8 y^{2} - 1 (- 2 x)$

Step 1.5.1.4.1.15

Multiply $- 2$ by $- 1$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 8 x^{2} + 32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 4 x^{2} - 8 y^{2} + 2 x$

Step 1.5.1.4.2

Subtract $4 x^{2}$ from $- 8 x^{2}$ .

$2 y y' + 2 x = 16 x^{3} + 32 x y^{2} - 12 x^{2} + 32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 8 y^{2} + 2 x$

Step 1.5.2

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

$16 x^{3} + 32 x y^{2} - 12 x^{2} + 32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 8 y^{2} + 2 x = 2 y y' + 2 x$

Step 1.5.3

Subtract $2 y y'$ from both sides of the equation.

$16 x^{3} + 32 x y^{2} - 12 x^{2} + 32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 8 y^{2} + 2 x - 2 y y' = 2 x$

Step 1.5.4

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

Tap for more steps...

Step 1.5.4.1

Subtract $16 x^{3}$ from both sides of the equation.

$32 x y^{2} - 12 x^{2} + 32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 8 y^{2} + 2 x - 2 y y' = 2 x - 16 x^{3}$

Step 1.5.4.2

Subtract $32 x y^{2}$ from both sides of the equation.

$- 12 x^{2} + 32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 8 y^{2} + 2 x - 2 y y' = 2 x - 16 x^{3} - 32 x y^{2}$

Step 1.5.4.3

Add $12 x^{2}$ to both sides of the equation.

$32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 8 y^{2} + 2 x - 2 y y' = 2 x - 16 x^{3} - 32 x y^{2} + 12 x^{2}$

Step 1.5.4.4

Add $8 y^{2}$ to both sides of the equation.

$32 y y' x^{2} + 64 y^{3} y' - 16 y y' x + 2 x - 2 y y' = 2 x - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$

Step 1.5.4.5

Subtract $2 x$ from both sides of the equation.

$32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 2 y y' = 2 x - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2} - 2 x$

Step 1.5.4.6

Combine the opposite terms in $2 x - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2} - 2 x$ .

Tap for more steps...

Step 1.5.4.6.1

Subtract $2 x$ from $2 x$ .

$32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 2 y y' = - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2} + 0$

Step 1.5.4.6.2

Add $- 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$ and $0$ .

$32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 2 y y' = - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$

Step 1.5.5

Factor $2 y y'$ out of $32 y y' x^{2} + 64 y^{3} y' - 16 y y' x - 2 y y'$ .

Tap for more steps...

Step 1.5.5.1

Factor $2 y y'$ out of $32 y y' x^{2}$ .

$2 y y' (16 x^{2}) + 64 y^{3} y' - 16 y y' x - 2 y y' = - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$

Step 1.5.5.2

Factor $2 y y'$ out of $64 y^{3} y'$ .

$2 y y' (16 x^{2}) + 2 y y' (32 y^{2}) - 16 y y' x - 2 y y' = - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$

Step 1.5.5.3

Factor $2 y y'$ out of $- 16 y y' x$ .

$2 y y' (16 x^{2}) + 2 y y' (32 y^{2}) + 2 y y' (- 8 x) - 2 y y' = - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$

Step 1.5.5.4

Factor $2 y y'$ out of $- 2 y y'$ .

$2 y y' (16 x^{2}) + 2 y y' (32 y^{2}) + 2 y y' (- 8 x) + 2 y y' \cdot - 1 = - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$

Step 1.5.5.5

Factor $2 y y'$ out of $2 y y' (16 x^{2}) + 2 y y' (32 y^{2})$ .

$2 y y' (16 x^{2} + 32 y^{2}) + 2 y y' (- 8 x) + 2 y y' \cdot - 1 = - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$

Step 1.5.5.6

Factor $2 y y'$ out of $2 y y' (16 x^{2} + 32 y^{2}) + 2 y y' (- 8 x)$ .

$2 y y' (16 x^{2} + 32 y^{2} - 8 x) + 2 y y' \cdot - 1 = - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$

Step 1.5.5.7

Factor $2 y y'$ out of $2 y y' (16 x^{2} + 32 y^{2} - 8 x) + 2 y y' \cdot - 1$ .

$2 y y' (16 x^{2} + 32 y^{2} - 8 x - 1) = - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$

Step 1.5.6

Divide each term in $2 y y' (16 x^{2} + 32 y^{2} - 8 x - 1) = - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$ by $2 y (16 x^{2} + 32 y^{2} - 8 x - 1)$ and simplify.

Tap for more steps...

Step 1.5.6.1

Divide each term in $2 y y' (16 x^{2} + 32 y^{2} - 8 x - 1) = - 16 x^{3} - 32 x y^{2} + 12 x^{2} + 8 y^{2}$ by $2 y (16 x^{2} + 32 y^{2} - 8 x - 1)$ .

$\frac{2 y y' (16 x^{2} + 32 y^{2} - 8 x - 1)}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} = \frac{- 16 x^{3}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{- 32 x y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.2

Simplify the left side.

Tap for more steps...

Step 1.5.6.2.1

Cancel the common factor of $2$ .

Tap for more steps...

Step 1.5.6.2.1.1

Cancel the common factor.

Step 1.5.6.2.1.2

Rewrite the expression.

$\frac{y y' (16 x^{2} + 32 y^{2} - 8 x - 1)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} = \frac{- 16 x^{3}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{- 32 x y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.2.2

Cancel the common factor of $y$ .

Tap for more steps...

Step 1.5.6.2.2.1

Cancel the common factor.

Step 1.5.6.2.2.2

Rewrite the expression.

$\frac{y' (16 x^{2} + 32 y^{2} - 8 x - 1)}{16 x^{2} + 32 y^{2} - 8 x - 1} = \frac{- 16 x^{3}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{- 32 x y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.2.3

Cancel the common factor of $16 x^{2} + 32 y^{2} - 8 x - 1$ .

Tap for more steps...

Step 1.5.6.2.3.1

Cancel the common factor.

Step 1.5.6.2.3.2

Divide $y'$ by $1$ .

$y' = \frac{- 16 x^{3}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{- 32 x y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3

Simplify the right side.

Tap for more steps...

Step 1.5.6.3.1

Simplify each term.

Tap for more steps...

Step 1.5.6.3.1.1

Cancel the common factor of $- 16$ and $2$ .

Tap for more steps...

Step 1.5.6.3.1.1.1

Factor $2$ out of $- 16 x^{3}$ .

$y' = \frac{2 (- 8 x^{3})}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{- 32 x y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.1.2

Cancel the common factors.

Tap for more steps...

Step 1.5.6.3.1.1.2.1

Factor $2$ out of $2 y (16 x^{2} + 32 y^{2} - 8 x - 1)$ .

$y' = \frac{2 (- 8 x^{3})}{2 (y (16 x^{2} + 32 y^{2} - 8 x - 1))} + \frac{- 32 x y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.1.2.2

Cancel the common factor.

Step 1.5.6.3.1.1.2.3

Rewrite the expression.

$y' = \frac{- 8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{- 32 x y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.2

Move the negative in front of the fraction.

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{- 32 x y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.3

Cancel the common factor of $- 32$ and $2$ .

Tap for more steps...

Step 1.5.6.3.1.3.1

Factor $2$ out of $- 32 x y^{2}$ .

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{2 (- 16 x y^{2})}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.3.2

Cancel the common factors.

Tap for more steps...

Step 1.5.6.3.1.3.2.1

Factor $2$ out of $2 y (16 x^{2} + 32 y^{2} - 8 x - 1)$ .

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{2 (- 16 x y^{2})}{2 (y (16 x^{2} + 32 y^{2} - 8 x - 1))} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.3.2.2

Cancel the common factor.

Step 1.5.6.3.1.3.2.3

Rewrite the expression.

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{- 16 x y^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.4

Cancel the common factor of $y^{2}$ and $y$ .

Tap for more steps...

Step 1.5.6.3.1.4.1

Factor $y$ out of $- 16 x y^{2}$ .

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{y (- 16 x y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.4.2

Cancel the common factors.

Tap for more steps...

Step 1.5.6.3.1.4.2.1

Cancel the common factor.

Step 1.5.6.3.1.4.2.2

Rewrite the expression.

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{- 16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.5

Move the negative in front of the fraction.

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1} + \frac{12 x^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.6

Cancel the common factor of $12$ and $2$ .

Tap for more steps...

Step 1.5.6.3.1.6.1

Factor $2$ out of $12 x^{2}$ .

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1} + \frac{2 (6 x^{2})}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.6.2

Cancel the common factors.

Tap for more steps...

Step 1.5.6.3.1.6.2.1

Factor $2$ out of $2 y (16 x^{2} + 32 y^{2} - 8 x - 1)$ .

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1} + \frac{2 (6 x^{2})}{2 (y (16 x^{2} + 32 y^{2} - 8 x - 1))} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.6.2.2

Cancel the common factor.

Step 1.5.6.3.1.6.2.3

Rewrite the expression.

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{8 y^{2}}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.7

Cancel the common factor of $8$ and $2$ .

Tap for more steps...

Step 1.5.6.3.1.7.1

Factor $2$ out of $8 y^{2}$ .

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{2 (4 y^{2})}{2 y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.7.2

Cancel the common factors.

Tap for more steps...

Step 1.5.6.3.1.7.2.1

Factor $2$ out of $2 y (16 x^{2} + 32 y^{2} - 8 x - 1)$ .

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{2 (4 y^{2})}{2 (y (16 x^{2} + 32 y^{2} - 8 x - 1))}$

Step 1.5.6.3.1.7.2.2

Cancel the common factor.

Step 1.5.6.3.1.7.2.3

Rewrite the expression.

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.8

Cancel the common factor of $y^{2}$ and $y$ .

Tap for more steps...

Step 1.5.6.3.1.8.1

Factor $y$ out of $4 y^{2}$ .

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{y (4 y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.1.8.2

Cancel the common factors.

Tap for more steps...

Step 1.5.6.3.1.8.2.1

Cancel the common factor.

Step 1.5.6.3.1.8.2.2

Rewrite the expression.

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.2

To write $- \frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1}$ as a fraction with a common denominator, multiply by $\frac{y}{y}$ .

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1} \cdot \frac{y}{y} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.3

Write each expression with a common denominator of $y (16 x^{2} + 32 y^{2} - 8 x - 1)$ , by multiplying each by an appropriate factor of $1$ .

Tap for more steps...

Step 1.5.6.3.3.1

Multiply $\frac{16 x y}{16 x^{2} + 32 y^{2} - 8 x - 1}$ by $\frac{y}{y}$ .

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y \cdot y}{(16 x^{2} + 32 y^{2} - 8 x - 1) y} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.3.2

Reorder the factors of $(16 x^{2} + 32 y^{2} - 8 x - 1) y$ .

$y' = - \frac{8 x^{3}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} - \frac{16 x y \cdot y}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.4

Combine the numerators over the common denominator.

$y' = \frac{- 8 x^{3} - 16 x y \cdot y}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.5

Simplify the numerator.

Tap for more steps...

Step 1.5.6.3.5.1

Factor $8 x$ out of $- 8 x^{3} - 16 x y \cdot y$ .

Tap for more steps...

Step 1.5.6.3.5.1.1

Factor $8 x$ out of $- 8 x^{3}$ .

$y' = \frac{8 x (- x^{2}) - 16 x y \cdot y}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.5.1.2

Factor $8 x$ out of $- 16 x y \cdot y$ .

$y' = \frac{8 x (- x^{2}) + 8 x (- 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.5.1.3

Factor $8 x$ out of $8 x (- x^{2}) + 8 x (- 2 y \cdot y)$ .

$y' = \frac{8 x (- x^{2} - 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.5.2

Combine exponents.

Tap for more steps...

Step 1.5.6.3.5.2.1

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

$y' = \frac{8 x (- x^{2} - 2 (y^{1} y))}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.5.2.2

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

$y' = \frac{8 x (- x^{2} - 2 (y^{1} y^{1}))}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.5.2.3

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

$y' = \frac{8 x (- x^{2} - 2 y^{1 + 1})}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.5.2.4

Add $1$ and $1$ .

$y' = \frac{8 x (- x^{2} - 2 y^{2})}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.6

Combine the numerators over the common denominator.

$y' = \frac{8 x (- x^{2} - 2 y^{2}) + 6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.7

Simplify the numerator.

Tap for more steps...

Step 1.5.6.3.7.1

Factor $2 x$ out of $8 x (- x^{2} - 2 y^{2}) + 6 x^{2}$ .

Tap for more steps...

Step 1.5.6.3.7.1.1

Factor $2 x$ out of $8 x (- x^{2} - 2 y^{2})$ .

$y' = \frac{2 x (4 (- x^{2} - 2 y^{2})) + 6 x^{2}}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.7.1.2

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

$y' = \frac{2 x (4 (- x^{2} - 2 y^{2})) + 2 x (3 x)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.7.1.3

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

$y' = \frac{2 x (4 (- x^{2} - 2 y^{2}) + 3 x)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.7.2

Apply the distributive property.

$y' = \frac{2 x (4 (- x^{2}) + 4 (- 2 y^{2}) + 3 x)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.7.3

Multiply $- 1$ by $4$ .

$y' = \frac{2 x (- 4 x^{2} + 4 (- 2 y^{2}) + 3 x)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.7.4

Multiply $- 2$ by $4$ .

$y' = \frac{2 x (- 4 x^{2} - 8 y^{2} + 3 x)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$

Step 1.5.6.3.8

To write $\frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$ as a fraction with a common denominator, multiply by $\frac{y}{y}$ .

$y' = \frac{2 x (- 4 x^{2} - 8 y^{2} + 3 x)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1} \cdot \frac{y}{y}$

Step 1.5.6.3.9

Write each expression with a common denominator of $y (16 x^{2} + 32 y^{2} - 8 x - 1)$ , by multiplying each by an appropriate factor of $1$ .

Tap for more steps...

Step 1.5.6.3.9.1

Multiply $\frac{4 y}{16 x^{2} + 32 y^{2} - 8 x - 1}$ by $\frac{y}{y}$ .

$y' = \frac{2 x (- 4 x^{2} - 8 y^{2} + 3 x)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y \cdot y}{(16 x^{2} + 32 y^{2} - 8 x - 1) y}$

Step 1.5.6.3.9.2

Reorder the factors of $(16 x^{2} + 32 y^{2} - 8 x - 1) y$ .

$y' = \frac{2 x (- 4 x^{2} - 8 y^{2} + 3 x)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)} + \frac{4 y \cdot y}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.10

Combine the numerators over the common denominator.

$y' = \frac{2 x (- 4 x^{2} - 8 y^{2} + 3 x) + 4 y \cdot y}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11

Simplify the numerator.

Tap for more steps...

Step 1.5.6.3.11.1

Factor $2$ out of $2 x (- 4 x^{2} - 8 y^{2} + 3 x) + 4 y \cdot y$ .

Tap for more steps...

Step 1.5.6.3.11.1.1

Factor $2$ out of $2 x (- 4 x^{2} - 8 y^{2} + 3 x)$ .

$y' = \frac{2 (x (- 4 x^{2} - 8 y^{2} + 3 x)) + 4 y \cdot y}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.1.2

Factor $2$ out of $4 y \cdot y$ .

$y' = \frac{2 (x (- 4 x^{2} - 8 y^{2} + 3 x)) + 2 (2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.1.3

Factor $2$ out of $2 (x (- 4 x^{2} - 8 y^{2} + 3 x)) + 2 (2 y \cdot y)$ .

$y' = \frac{2 (x (- 4 x^{2} - 8 y^{2} + 3 x) + 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.2

Apply the distributive property.

$y' = \frac{2 (x (- 4 x^{2}) + x (- 8 y^{2}) + x (3 x) + 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.3

Simplify.

Tap for more steps...

Step 1.5.6.3.11.3.1

Rewrite using the commutative property of multiplication.

$y' = \frac{2 (- 4 x \cdot x^{2} + x (- 8 y^{2}) + x (3 x) + 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.3.2

Rewrite using the commutative property of multiplication.

$y' = \frac{2 (- 4 x \cdot x^{2} - 8 x y^{2} + x (3 x) + 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.3.3

Rewrite using the commutative property of multiplication.

$y' = \frac{2 (- 4 x \cdot x^{2} - 8 x y^{2} + 3 x \cdot x + 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.4

Simplify each term.

Tap for more steps...

Step 1.5.6.3.11.4.1

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

Tap for more steps...

Step 1.5.6.3.11.4.1.1

Move $x^{2}$ .

$y' = \frac{2 (- 4 (x^{2} x) - 8 x y^{2} + 3 x \cdot x + 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.4.1.2

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

Tap for more steps...

Step 1.5.6.3.11.4.1.2.1

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

$y' = \frac{2 (- 4 (x^{2} x^{1}) - 8 x y^{2} + 3 x \cdot x + 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.4.1.2.2

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

$y' = \frac{2 (- 4 x^{2 + 1} - 8 x y^{2} + 3 x \cdot x + 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.4.1.3

Add $2$ and $1$ .

$y' = \frac{2 (- 4 x^{3} - 8 x y^{2} + 3 x \cdot x + 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.4.2

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

Tap for more steps...

Step 1.5.6.3.11.4.2.1

Move $x$ .

$y' = \frac{2 (- 4 x^{3} - 8 x y^{2} + 3 (x \cdot x) + 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.4.2.2

Multiply $x$ by $x$ .

$y' = \frac{2 (- 4 x^{3} - 8 x y^{2} + 3 x^{2} + 2 y \cdot y)}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.5

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

Tap for more steps...

Step 1.5.6.3.11.5.1

Move $y$ .

$y' = \frac{2 (- 4 x^{3} - 8 x y^{2} + 3 x^{2} + 2 (y \cdot y))}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.11.5.2

Multiply $y$ by $y$ .

$y' = \frac{2 (- 4 x^{3} - 8 x y^{2} + 3 x^{2} + 2 y^{2})}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.12

Simplify with factoring out.

Tap for more steps...

Step 1.5.6.3.12.1

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

$y' = \frac{2 (- (4 x^{3}) - 8 x y^{2} + 3 x^{2} + 2 y^{2})}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.12.2

Factor $- 1$ out of $- 8 x y^{2}$ .

$y' = \frac{2 (- (4 x^{3}) - (8 x y^{2}) + 3 x^{2} + 2 y^{2})}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.12.3

Factor $- 1$ out of $- (4 x^{3}) - (8 x y^{2})$ .

$y' = \frac{2 (- (4 x^{3} + 8 x y^{2}) + 3 x^{2} + 2 y^{2})}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.12.4

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

$y' = \frac{2 (- (4 x^{3} + 8 x y^{2}) - (- 3 x^{2}) + 2 y^{2})}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.12.5

Factor $- 1$ out of $- (4 x^{3} + 8 x y^{2}) - (- 3 x^{2})$ .

$y' = \frac{2 (- (4 x^{3} + 8 x y^{2} - 3 x^{2}) + 2 y^{2})}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.12.6

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

$y' = \frac{2 (- (4 x^{3} + 8 x y^{2} - 3 x^{2}) - (- 2 y^{2}))}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.12.7

Factor $- 1$ out of $- (4 x^{3} + 8 x y^{2} - 3 x^{2}) - (- 2 y^{2})$ .

$y' = \frac{2 (- (4 x^{3} + 8 x y^{2} - 3 x^{2} - 2 y^{2}))}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.12.8

Simplify the expression.

Tap for more steps...

Step 1.5.6.3.12.8.1

Rewrite $- (4 x^{3} + 8 x y^{2} - 3 x^{2} - 2 y^{2})$ as $- 1 (4 x^{3} + 8 x y^{2} - 3 x^{2} - 2 y^{2})$ .

$y' = \frac{2 (- 1 (4 x^{3} + 8 x y^{2} - 3 x^{2} - 2 y^{2}))}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.5.6.3.12.8.2

Move the negative in front of the fraction.

$y' = - \frac{2 (4 x^{3} + 8 x y^{2} - 3 x^{2} - 2 y^{2})}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.6

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

$\frac{d y}{d x} = - \frac{2 (4 x^{3} + 8 x y^{2} - 3 x^{2} - 2 y^{2})}{y (16 x^{2} + 32 y^{2} - 8 x - 1)}$

Step 1.7

Evaluate at $x = 0$ and $y = 0.25$ .

Tap for more steps...

Step 1.7.1

Replace the variable $x$ with $0$ in the expression.

$- \frac{2 (4 {(0)}^{3} + 8 (0) \cdot y^{2} - 3 {(0)}^{2} - 2 y^{2})}{y (16 {(0)}^{2} + 32 y^{2} - 8 \cdot 0 - 1)}$

Step 1.7.2

Replace the variable $y$ with $0.25$ in the expression.

$- \frac{2 (4 {(0)}^{3} + 8 (0) \cdot {(0.25)}^{2} - 3 {(0)}^{2} - 2 {(0.25)}^{2})}{(0.25) (16 {(0)}^{2} + 32 {(0.25)}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3

Simplify the numerator.

Tap for more steps...

Step 1.7.3.1

Raising $0$ to any positive power yields $0$ .

$- \frac{2 (4 \cdot 0 + 8 (0) \cdot {0.25}^{2} - 3 \cdot 0^{2} - 2 \cdot {0.25}^{2})}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3.2

Multiply $4$ by $0$ .

$- \frac{2 (0 + 8 (0) \cdot {0.25}^{2} - 3 \cdot 0^{2} - 2 \cdot {0.25}^{2})}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3.3

Multiply $8$ by $0$ .

$- \frac{2 (0 + 0 \cdot {0.25}^{2} - 3 \cdot 0^{2} - 2 \cdot {0.25}^{2})}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3.4

Raise $0.25$ to the power of $2$ .

$- \frac{2 (0 + 0 \cdot 0.0625 - 3 \cdot 0^{2} - 2 \cdot {0.25}^{2})}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3.5

Multiply $0$ by $0.0625$ .

$- \frac{2 (0 + 0 - 3 \cdot 0^{2} - 2 \cdot {0.25}^{2})}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3.6

Raising $0$ to any positive power yields $0$ .

$- \frac{2 (0 + 0 - 3 \cdot 0 - 2 \cdot {0.25}^{2})}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3.7

Multiply $- 3$ by $0$ .

$- \frac{2 (0 + 0 + 0 - 2 \cdot {0.25}^{2})}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3.8

Raise $0.25$ to the power of $2$ .

$- \frac{2 (0 + 0 + 0 - 2 \cdot 0.0625)}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3.9

Multiply $- 2$ by $0.0625$ .

$- \frac{2 (0 + 0 + 0 - 0.125)}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3.10

Add $0$ and $0$ .

$- \frac{2 (0 + 0 - 0.125)}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3.11

Add $0$ and $0$ .

$- \frac{2 (0 - 0.125)}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.3.12

Subtract $0.125$ from $0$ .

$- \frac{2 \cdot - 0.125}{0.25 (16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1)}$

Step 1.7.4

Simplify by multiplying terms.

Tap for more steps...

Step 1.7.4.1

Multiply $0.25$ by $16 \cdot 0^{2} + 32 \cdot {0.25}^{2} - 8 \cdot 0 - 1$ .

$- \frac{2 \cdot - 0.125}{0.25}$

Step 1.7.4.2

Simplify the expression.

Tap for more steps...

Step 1.7.4.2.1

Multiply $2$ by $- 0.125$ .

$- \frac{- 0.25}{0.25}$

Step 1.7.4.2.2

Divide $- 0.25$ by $0.25$ .

$- - 1$

Step 1.7.4.2.3

Multiply $- 1$ by $- 1$ .

$1$

Step 2

Plug the slope and point values into the point-slope formula and solve for $y$ .

Tap for more steps...

Step 2.1

Use the slope $1$ and a given point $(0, 0.25)$ to substitute for $x_{1}$ and $y_{1}$ in the point-slope form $y - y_{1} = m (x - x_{1})$ , which is derived from the slope equation $m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}$ .

$y - (0.25) = 1 \cdot (x - (0))$

Step 2.2

Simplify the equation and keep it in point-slope form.

$y - 0.25 = 1 \cdot (x + 0)$

Step 2.3

Solve for $y$ .

Tap for more steps...

Step 2.3.1

Simplify $1 \cdot (x + 0)$ .

Tap for more steps...

Step 2.3.1.1

Multiply $x + 0$ by $1$ .

$y - 0.25 = x + 0$

Step 2.3.1.2

Add $x$ and $0$ .

$y - 0.25 = x$

Step 2.3.2

Add $0.25$ to both sides of the equation.

$y = x + 0.25$

Step 3