Basic Math Examples

$- {(a + b)}^{2} - 3 (2 a - b {(a - 2)}^{2} + {(a - b)}^{2})$

Step 1

Simplify each term.

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Step 1.1

Rewrite ${(a + b)}^{2}$ as $(a + b) (a + b)$ .

$- ((a + b) (a + b)) - 3 (2 a - b {(a - 2)}^{2} + {(a - b)}^{2})$

Step 1.2

Expand $(a + b) (a + b)$ using the FOIL Method.

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Step 1.2.1

Apply the distributive property.

$- (a (a + b) + b (a + b)) - 3 (2 a - b {(a - 2)}^{2} + {(a - b)}^{2})$

Step 1.2.2

Apply the distributive property.

$- (a \cdot a + a b + b (a + b)) - 3 (2 a - b {(a - 2)}^{2} + {(a - b)}^{2})$

Step 1.2.3

Apply the distributive property.

$- (a \cdot a + a b + b a + b \cdot b) - 3 (2 a - b {(a - 2)}^{2} + {(a - b)}^{2})$

Step 1.3

Simplify and combine like terms.

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Step 1.3.1

Simplify each term.

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Step 1.3.1.1

Multiply $a$ by $a$ .

$- (a^{2} + a b + b a + b \cdot b) - 3 (2 a - b {(a - 2)}^{2} + {(a - b)}^{2})$

Step 1.3.1.2

Multiply $b$ by $b$ .

$- (a^{2} + a b + b a + b^{2}) - 3 (2 a - b {(a - 2)}^{2} + {(a - b)}^{2})$

Step 1.3.2

Add $a b$ and $b a$ .

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Step 1.3.2.1

Reorder $b$ and $a$ .

$- (a^{2} + a b + a b + b^{2}) - 3 (2 a - b {(a - 2)}^{2} + {(a - b)}^{2})$

Step 1.3.2.2

Add $a b$ and $a b$ .

$- (a^{2} + 2 a b + b^{2}) - 3 (2 a - b {(a - 2)}^{2} + {(a - b)}^{2})$

Step 1.4

Apply the distributive property.

$- a^{2} - (2 a b) - b^{2} - 3 (2 a - b {(a - 2)}^{2} + {(a - b)}^{2})$

Step 1.5

Multiply $2$ by $- 1$ .

$- a^{2} - 2 (a b) - b^{2} - 3 (2 a - b {(a - 2)}^{2} + {(a - b)}^{2})$

Step 1.6

Simplify each term.

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Step 1.6.1

Rewrite ${(a - 2)}^{2}$ as $(a - 2) (a - 2)$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b ((a - 2) (a - 2)) + {(a - b)}^{2})$

Step 1.6.2

Expand $(a - 2) (a - 2)$ using the FOIL Method.

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Step 1.6.2.1

Apply the distributive property.

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b (a (a - 2) - 2 (a - 2)) + {(a - b)}^{2})$

Step 1.6.2.2

Apply the distributive property.

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b (a \cdot a + a \cdot - 2 - 2 (a - 2)) + {(a - b)}^{2})$

Step 1.6.2.3

Apply the distributive property.

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b (a \cdot a + a \cdot - 2 - 2 a - 2 \cdot - 2) + {(a - b)}^{2})$

Step 1.6.3

Simplify and combine like terms.

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Step 1.6.3.1

Simplify each term.

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Step 1.6.3.1.1

Multiply $a$ by $a$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b (a^{2} + a \cdot - 2 - 2 a - 2 \cdot - 2) + {(a - b)}^{2})$

Step 1.6.3.1.2

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

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b (a^{2} - 2 \cdot a - 2 a - 2 \cdot - 2) + {(a - b)}^{2})$

Step 1.6.3.1.3

Multiply $- 2$ by $- 2$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b (a^{2} - 2 a - 2 a + 4) + {(a - b)}^{2})$

Step 1.6.3.2

Subtract $2 a$ from $- 2 a$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b (a^{2} - 4 a + 4) + {(a - b)}^{2})$

Step 1.6.4

Apply the distributive property.

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} - b (- 4 a) - b \cdot 4 + {(a - b)}^{2})$

Step 1.6.5

Simplify.

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Step 1.6.5.1

Rewrite using the commutative property of multiplication.

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} - 1 \cdot - 4 b a - b \cdot 4 + {(a - b)}^{2})$

Step 1.6.5.2

Multiply $4$ by $- 1$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} - 1 \cdot - 4 b a - 4 b + {(a - b)}^{2})$

Step 1.6.6

Multiply $- 1$ by $- 4$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + {(a - b)}^{2})$

Step 1.6.7

Rewrite ${(a - b)}^{2}$ as $(a - b) (a - b)$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + (a - b) (a - b))$

Step 1.6.8

Expand $(a - b) (a - b)$ using the FOIL Method.

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Step 1.6.8.1

Apply the distributive property.

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a (a - b) - b (a - b))$

Step 1.6.8.2

Apply the distributive property.

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a \cdot a + a (- b) - b (a - b))$

Step 1.6.8.3

Apply the distributive property.

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a \cdot a + a (- b) - b a - b (- b))$

Step 1.6.9

Simplify and combine like terms.

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Step 1.6.9.1

Simplify each term.

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Step 1.6.9.1.1

Multiply $a$ by $a$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a^{2} + a (- b) - b a - b (- b))$

Step 1.6.9.1.2

Rewrite using the commutative property of multiplication.

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a^{2} - a b - b a - b (- b))$

Step 1.6.9.1.3

Rewrite using the commutative property of multiplication.

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a^{2} - a b - b a - 1 \cdot - 1 b \cdot b)$

Step 1.6.9.1.4

Multiply $b$ by $b$ by adding the exponents.

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Step 1.6.9.1.4.1

Move $b$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a^{2} - a b - b a - 1 \cdot - 1 (b \cdot b))$

Step 1.6.9.1.4.2

Multiply $b$ by $b$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a^{2} - a b - b a - 1 \cdot - 1 b^{2})$

Step 1.6.9.1.5

Multiply $- 1$ by $- 1$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a^{2} - a b - b a + 1 b^{2})$

Step 1.6.9.1.6

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

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a^{2} - a b - b a + b^{2})$

Step 1.6.9.2

Subtract $b a$ from $- a b$ .

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Step 1.6.9.2.1

Move $b$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a^{2} - a b - 1 a b + b^{2})$

Step 1.6.9.2.2

Subtract $a b$ from $- a b$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} + 4 b a - 4 b + a^{2} - 2 a b + b^{2})$

Step 1.7

Subtract $2 a b$ from $4 b a$ .

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Step 1.7.1

Move $b$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} - 4 b + a^{2} + 4 a b - 2 a b + b^{2})$

Step 1.7.2

Subtract $2 a b$ from $4 a b$ .

$- a^{2} - 2 a b - b^{2} - 3 (2 a - b a^{2} - 4 b + a^{2} + 2 a b + b^{2})$

Step 1.8

Apply the distributive property.

$- a^{2} - 2 a b - b^{2} - 3 (2 a) - 3 (- b a^{2}) - 3 (- 4 b) - 3 a^{2} - 3 (2 a b) - 3 b^{2}$

Step 1.9

Simplify.

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Step 1.9.1

Multiply $2$ by $- 3$ .

$- a^{2} - 2 a b - b^{2} - 6 a - 3 (- b a^{2}) - 3 (- 4 b) - 3 a^{2} - 3 (2 a b) - 3 b^{2}$

Step 1.9.2

Multiply $- 1$ by $- 3$ .

$- a^{2} - 2 a b - b^{2} - 6 a + 3 (b a^{2}) - 3 (- 4 b) - 3 a^{2} - 3 (2 a b) - 3 b^{2}$

Step 1.9.3

Multiply $- 4$ by $- 3$ .

$- a^{2} - 2 a b - b^{2} - 6 a + 3 (b a^{2}) + 12 b - 3 a^{2} - 3 (2 a b) - 3 b^{2}$

Step 1.9.4

Multiply $2$ by $- 3$ .

$- a^{2} - 2 a b - b^{2} - 6 a + 3 (b a^{2}) + 12 b - 3 a^{2} - 6 (a b) - 3 b^{2}$

Step 1.10

Remove parentheses.

$- a^{2} - 2 a b - b^{2} - 6 a + 3 b a^{2} + 12 b - 3 a^{2} - 6 a b - 3 b^{2}$

Step 2

Simplify by adding terms.

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Step 2.1

Subtract $3 a^{2}$ from $- a^{2}$ .

$- 4 a^{2} - 2 a b - b^{2} - 6 a + 3 b a^{2} + 12 b - 6 a b - 3 b^{2}$

Step 2.2

Subtract $6 a b$ from $- 2 a b$ .

$- 4 a^{2} - b^{2} - 6 a + 3 b a^{2} + 12 b - 8 a b - 3 b^{2}$

Step 2.3

Subtract $3 b^{2}$ from $- b^{2}$ .

$- 4 a^{2} - 4 b^{2} - 6 a + 3 b a^{2} + 12 b - 8 a b$

Step 2.4

Simplify the expression.

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Step 2.4.1

Move $b$ .

$- 4 a^{2} - 4 b^{2} - 6 a + 3 a^{2} b + 12 b - 8 a b$

Step 2.4.2

Move $12 b$ .

$- 4 a^{2} - 4 b^{2} - 6 a + 3 a^{2} b - 8 a b + 12 b$

Step 2.4.3

Move $- 6 a$ .

$- 4 a^{2} - 4 b^{2} + 3 a^{2} b - 8 a b - 6 a + 12 b$

Step 2.4.4

Move $- 4 b^{2}$ .

$- 4 a^{2} + 3 a^{2} b - 8 a b - 4 b^{2} - 6 a + 12 b$

Step 2.4.5

Reorder $- 4 a^{2}$ and $3 a^{2} b$ .

$3 a^{2} b - 4 a^{2} - 8 a b - 4 b^{2} - 6 a + 12 b$