Algebra Examples

${(x - y - 1)}^{3} = x$

Step 1

Differentiate both sides of the equation.

$\frac{d}{d y} ({(x - y - 1)}^{3}) = \frac{d}{d y} (x)$

Step 2

Differentiate the left side of the equation.

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Step 2.1

Differentiate using the chain rule, which states that $\frac{d}{d y} [f (g (y))]$ is $f' (g (y)) g' (y)$ where $f (y) = y^{3}$ and $g (y) = x - y - 1$ .

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Step 2.1.1

To apply the Chain Rule, set $u$ as $x - y - 1$ .

$\frac{d}{d u} [u^{3}] \frac{d}{d y} [x - y - 1]$

Step 2.1.2

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

$3 u^{2} \frac{d}{d y} [x - y - 1]$

Step 2.1.3

Replace all occurrences of $u$ with $x - y - 1$ .

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

Step 2.2

By the Sum Rule, the derivative of $x - y - 1$ with respect to $y$ is $\frac{d}{d y} [x] + \frac{d}{d y} [- y] + \frac{d}{d y} [- 1]$ .

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

Step 2.3

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

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

Step 2.4

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

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

Step 2.5

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

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

Step 2.6

Multiply $- 1$ by $1$ .

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

Step 2.7

Since $- 1$ is constant with respect to $y$ , the derivative of $- 1$ with respect to $y$ is $0$ .

$3 {(x - y - 1)}^{2} (x' - 1 + 0)$

Step 2.8

Add $x' - 1$ and $0$ .

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

Step 2.9

Simplify.

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Step 2.9.1

Apply the distributive property.

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

Step 2.9.2

Multiply $- 1$ by $3$ .

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

Step 2.9.3

Reorder terms.

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

Step 3

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

$x'$

Step 4

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

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

Step 5

Solve for $x'$ .

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Step 5.1

Reorder factors in $- 3 {(x - y - 1)}^{2} + 3 {(x - y - 1)}^{2} x'$ .

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

Step 5.2

Move all terms containing $x'$ to the left side of the equation.

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Step 5.2.1

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

$- 3 {(x - y - 1)}^{2} + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2

Simplify each term.

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Step 5.2.2.1

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

$- 3 ((x - y - 1) (x - y - 1)) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.2

Expand $(x - y - 1) (x - y - 1)$ by multiplying each term in the first expression by each term in the second expression.

$- 3 (x \cdot x + x (- y) + x \cdot - 1 - y x - y (- y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3

Simplify each term.

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Step 5.2.2.3.1

Multiply $x$ by $x$ .

$- 3 (x^{2} + x (- y) + x \cdot - 1 - y x - y (- y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.2

Rewrite using the commutative property of multiplication.

$- 3 (x^{2} - x y + x \cdot - 1 - y x - y (- y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.3

Move $- 1$ to the left of $x$ .

$- 3 (x^{2} - x y - 1 \cdot x - y x - y (- y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.4

Rewrite $- 1 x$ as $- x$ .

$- 3 (x^{2} - x y - x - y x - y (- y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.5

Rewrite using the commutative property of multiplication.

$- 3 (x^{2} - x y - x - y x - 1 \cdot - 1 y \cdot y - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.6

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

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Step 5.2.2.3.6.1

Move $y$ .

$- 3 (x^{2} - x y - x - y x - 1 \cdot - 1 (y \cdot y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.6.2

Multiply $y$ by $y$ .

$- 3 (x^{2} - x y - x - y x - 1 \cdot - 1 y^{2} - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.7

Multiply $- 1$ by $- 1$ .

$- 3 (x^{2} - x y - x - y x + 1 y^{2} - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.8

Multiply $y^{2}$ by $1$ .

$- 3 (x^{2} - x y - x - y x + y^{2} - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.9

Multiply $- y \cdot - 1$ .

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Step 5.2.2.3.9.1

Multiply $- 1$ by $- 1$ .

$- 3 (x^{2} - x y - x - y x + y^{2} + 1 y - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.9.2

Multiply $y$ by $1$ .

$- 3 (x^{2} - x y - x - y x + y^{2} + y - 1 x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.10

Rewrite $- 1 x$ as $- x$ .

$- 3 (x^{2} - x y - x - y x + y^{2} + y - x - 1 (- y) - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.11

Multiply $- 1 (- y)$ .

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Step 5.2.2.3.11.1

Multiply $- 1$ by $- 1$ .

$- 3 (x^{2} - x y - x - y x + y^{2} + y - x + 1 y - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.11.2

Multiply $y$ by $1$ .

$- 3 (x^{2} - x y - x - y x + y^{2} + y - x + y - 1 \cdot - 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.3.12

Multiply $- 1$ by $- 1$ .

$- 3 (x^{2} - x y - x - y x + y^{2} + y - x + y + 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.4

Subtract $y x$ from $- x y$ .

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Step 5.2.2.4.1

Move $y$ .

$- 3 (x^{2} - x y - 1 x y - x + y^{2} + y - x + y + 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.4.2

Subtract $x y$ from $- x y$ .

$- 3 (x^{2} - 2 x y - x + y^{2} + y - x + y + 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.5

Subtract $x$ from $- x$ .

$- 3 (x^{2} - 2 x y - 2 x + y^{2} + y + y + 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.6

Add $y$ and $y$ .

$- 3 (x^{2} - 2 x y - 2 x + y^{2} + 2 y + 1) + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.7

Apply the distributive property.

$- 3 x^{2} - 3 (- 2 x y) - 3 (- 2 x) - 3 y^{2} - 3 (2 y) - 3 \cdot 1 + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.8

Simplify.

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Step 5.2.2.8.1

Multiply $- 2$ by $- 3$ .

$- 3 x^{2} + 6 (x y) - 3 (- 2 x) - 3 y^{2} - 3 (2 y) - 3 \cdot 1 + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.8.2

Multiply $- 2$ by $- 3$ .

$- 3 x^{2} + 6 (x y) + 6 x - 3 y^{2} - 3 (2 y) - 3 \cdot 1 + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.8.3

Multiply $2$ by $- 3$ .

$- 3 x^{2} + 6 (x y) + 6 x - 3 y^{2} - 6 y - 3 \cdot 1 + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.8.4

Multiply $- 3$ by $1$ .

$- 3 x^{2} + 6 (x y) + 6 x - 3 y^{2} - 6 y - 3 + 3 x' {(x - y - 1)}^{2} - x' = 0$

Step 5.2.2.9

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

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' ((x - y - 1) (x - y - 1)) - x' = 0$

Step 5.2.2.10

Expand $(x - y - 1) (x - y - 1)$ by multiplying each term in the first expression by each term in the second expression.

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x \cdot x + x (- y) + x \cdot - 1 - y x - y (- y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11

Simplify each term.

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Step 5.2.2.11.1

Multiply $x$ by $x$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} + x (- y) + x \cdot - 1 - y x - y (- y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.2

Rewrite using the commutative property of multiplication.

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y + x \cdot - 1 - y x - y (- y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.3

Move $- 1$ to the left of $x$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - 1 \cdot x - y x - y (- y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.4

Rewrite $- 1 x$ as $- x$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x - y (- y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.5

Rewrite using the commutative property of multiplication.

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x - 1 \cdot - 1 y \cdot y - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.6

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

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Step 5.2.2.11.6.1

Move $y$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x - 1 \cdot - 1 (y \cdot y) - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.6.2

Multiply $y$ by $y$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x - 1 \cdot - 1 y^{2} - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.7

Multiply $- 1$ by $- 1$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x + 1 y^{2} - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.8

Multiply $y^{2}$ by $1$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x + y^{2} - y \cdot - 1 - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.9

Multiply $- y \cdot - 1$ .

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Step 5.2.2.11.9.1

Multiply $- 1$ by $- 1$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x + y^{2} + 1 y - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.9.2

Multiply $y$ by $1$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x + y^{2} + y - 1 x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.10

Rewrite $- 1 x$ as $- x$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x + y^{2} + y - x - 1 (- y) - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.11

Multiply $- 1 (- y)$ .

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Step 5.2.2.11.11.1

Multiply $- 1$ by $- 1$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x + y^{2} + y - x + 1 y - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.11.2

Multiply $y$ by $1$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x + y^{2} + y - x + y - 1 \cdot - 1) - x' = 0$

Step 5.2.2.11.12

Multiply $- 1$ by $- 1$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - x - y x + y^{2} + y - x + y + 1) - x' = 0$

Step 5.2.2.12

Subtract $y x$ from $- x y$ .

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Step 5.2.2.12.1

Move $y$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - x y - 1 x y - x + y^{2} + y - x + y + 1) - x' = 0$

Step 5.2.2.12.2

Subtract $x y$ from $- x y$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - 2 x y - x + y^{2} + y - x + y + 1) - x' = 0$

Step 5.2.2.13

Subtract $x$ from $- x$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - 2 x y - 2 x + y^{2} + y + y + 1) - x' = 0$

Step 5.2.2.14

Add $y$ and $y$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' (x^{2} - 2 x y - 2 x + y^{2} + 2 y + 1) - x' = 0$

Step 5.2.2.15

Apply the distributive property.

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' x^{2} + 3 x' (- 2 x y) + 3 x' (- 2 x) + 3 x' y^{2} + 3 x' (2 y) + 3 x' \cdot 1 - x' = 0$

Step 5.2.2.16

Simplify.

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Step 5.2.2.16.1

Multiply $- 2$ by $3$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' x^{2} - 6 x' (x y) + 3 x' (- 2 x) + 3 x' y^{2} + 3 x' (2 y) + 3 x' \cdot 1 - x' = 0$

Step 5.2.2.16.2

Rewrite using the commutative property of multiplication.

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' x^{2} - 6 x' (x y) + 3 \cdot - 2 x' x + 3 x' y^{2} + 3 x' (2 y) + 3 x' \cdot 1 - x' = 0$

Step 5.2.2.16.3

Rewrite using the commutative property of multiplication.

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' x^{2} - 6 x' (x y) + 3 \cdot - 2 x' x + 3 x' y^{2} + 3 \cdot 2 x' y + 3 x' \cdot 1 - x' = 0$

Step 5.2.2.16.4

Multiply $3$ by $1$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' x^{2} - 6 x' (x y) + 3 \cdot - 2 x' x + 3 x' y^{2} + 3 \cdot 2 x' y + 3 x' - x' = 0$

Step 5.2.2.17

Simplify each term.

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Step 5.2.2.17.1

Multiply $3$ by $- 2$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' x^{2} - 6 x' x y - 6 x' x + 3 x' y^{2} + 3 \cdot 2 x' y + 3 x' - x' = 0$

Step 5.2.2.17.2

Multiply $3$ by $2$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' x^{2} - 6 x' x y - 6 x' x + 3 x' y^{2} + 6 x' y + 3 x' - x' = 0$

Step 5.2.3

Subtract $x'$ from $3 x'$ .

$- 3 x^{2} + 6 x y + 6 x - 3 y^{2} - 6 y - 3 + 3 x' x^{2} - 6 x' x y - 6 x' x + 3 x' y^{2} + 6 x' y + 2 x' = 0$

Step 5.3

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

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Step 5.3.1

Add $3 x^{2}$ to both sides of the equation.

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

Step 5.3.2

Subtract $6 x y$ from both sides of the equation.

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

Step 5.3.3

Subtract $6 x$ from both sides of the equation.

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

Step 5.3.4

Add $3 y^{2}$ to both sides of the equation.

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

Step 5.3.5

Add $6 y$ to both sides of the equation.

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

Step 5.3.6

Add $3$ to both sides of the equation.

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

Step 5.4

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

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Step 5.4.1

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

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

Step 5.4.2

Factor $x'$ out of $- 6 x' x y$ .

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

Step 5.4.3

Factor $x'$ out of $- 6 x' x$ .

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

Step 5.4.4

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

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

Step 5.4.5

Factor $x'$ out of $6 x' y$ .

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

Step 5.4.6

Factor $x'$ out of $2 x'$ .

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

Step 5.4.7

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

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

Step 5.4.8

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

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

Step 5.4.9

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

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

Step 5.4.10

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

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

Step 5.4.11

Factor $x'$ out of $x' (3 x^{2} - 6 x y - 6 x + 3 y^{2} + 6 y) + x' \cdot 2$ .

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

Step 5.5

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

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Step 5.5.1

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

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

Step 5.5.2

Simplify the left side.

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Step 5.5.2.1

Cancel the common factor of $3 x^{2} - 6 x y - 6 x + 3 y^{2} + 6 y + 2$ .

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Step 5.5.2.1.1

Cancel the common factor.

Step 5.5.2.1.2

Divide $x'$ by $1$ .

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

Step 5.5.3

Simplify the right side.

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Step 5.5.3.1

Simplify terms.

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Step 5.5.3.1.1

Simplify each term.

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Step 5.5.3.1.1.1

Move the negative in front of the fraction.

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

Step 5.5.3.1.1.2

Move the negative in front of the fraction.

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

Step 5.5.3.1.2

Simplify terms.

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Step 5.5.3.1.2.1

Combine the numerators over the common denominator.

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

Step 5.5.3.1.2.2

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

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Step 5.5.3.1.2.2.1

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

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

Step 5.5.3.1.2.2.2

Factor $3 x$ out of $- 6 x y$ .

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

Step 5.5.3.1.2.2.3

Factor $3 x$ out of $3 x (x) + 3 x (- 2 y)$ .

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

Step 5.5.3.1.2.3

Combine the numerators over the common denominator.

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

Step 5.5.3.1.2.4

Factor $3 x$ out of $3 x (x - 2 y) - 6 x$ .

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Step 5.5.3.1.2.4.1

Factor $3 x$ out of $- 6 x$ .

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

Step 5.5.3.1.2.4.2

Factor $3 x$ out of $3 x (x - 2 y) + 3 x (- 2)$ .

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

Step 5.5.3.1.2.5

Combine the numerators over the common denominator.

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

Step 5.5.3.2

Simplify the numerator.

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Step 5.5.3.2.1

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

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Step 5.5.3.2.1.1

Factor $3$ out of $3 x (x - 2 y - 2)$ .

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

Step 5.5.3.2.1.2

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

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

Step 5.5.3.2.1.3

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

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

Step 5.5.3.2.2

Apply the distributive property.

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

Step 5.5.3.2.3

Simplify.

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Step 5.5.3.2.3.1

Multiply $x$ by $x$ .

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

Step 5.5.3.2.3.2

Rewrite using the commutative property of multiplication.

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

Step 5.5.3.2.3.3

Move $- 2$ to the left of $x$ .

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

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

Step 5.5.3.3

Simplify terms.

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Step 5.5.3.3.1

Combine the numerators over the common denominator.

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

Step 5.5.3.3.2

Factor $3$ out of $3 (x^{2} - 2 x y - 2 x + y^{2}) + 6 y$ .

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Step 5.5.3.3.2.1

Factor $3$ out of $6 y$ .

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

Step 5.5.3.3.2.2

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

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

Step 5.5.3.3.3

Combine the numerators over the common denominator.

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

Step 5.5.3.3.4

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

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Step 5.5.3.3.4.1

Factor $3$ out of $3$ .

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

Step 5.5.3.3.4.2

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

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

Step 6

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

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