Basic Math Examples

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

Step 1

Apply the distributive property.

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

Step 2

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

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Step 2.1

Move $a^{2}$ .

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

Step 2.2

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

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

Step 2.3

Add $2$ and $2$ .

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

Step 3

Simplify by adding terms.

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Step 3.1

Multiply $- 1$ by $2$ .

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

Step 3.2

Combine the opposite terms in $a^{3} - a + a - 1$ .

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Step 3.2.1

Add $- a$ and $a$ .

$(2 a^{4} - 2 a^{2}) (a^{3} + 0 - 1) (a^{4} - 1)$

Step 3.2.2

Add $a^{3}$ and $0$ .

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

Step 4

Expand $(2 a^{4} - 2 a^{2}) (a^{3} - 1)$ using the FOIL Method.

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Step 4.1

Apply the distributive property.

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

Step 4.2

Apply the distributive property.

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

Step 4.3

Apply the distributive property.

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

Step 5

Simplify each term.

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Step 5.1

Multiply $a^{4}$ by $a^{3}$ by adding the exponents.

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Step 5.1.1

Move $a^{3}$ .

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

Step 5.1.2

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

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

Step 5.1.3

Add $3$ and $4$ .

$(2 a^{7} + 2 a^{4} \cdot - 1 - 2 a^{2} a^{3} - 2 a^{2} \cdot - 1) (a^{4} - 1)$

Step 5.2

Multiply $- 1$ by $2$ .

$(2 a^{7} - 2 a^{4} - 2 a^{2} a^{3} - 2 a^{2} \cdot - 1) (a^{4} - 1)$

Step 5.3

Multiply $a^{2}$ by $a^{3}$ by adding the exponents.

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Step 5.3.1

Move $a^{3}$ .

$(2 a^{7} - 2 a^{4} - 2 (a^{3} a^{2}) - 2 a^{2} \cdot - 1) (a^{4} - 1)$

Step 5.3.2

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

$(2 a^{7} - 2 a^{4} - 2 a^{3 + 2} - 2 a^{2} \cdot - 1) (a^{4} - 1)$

Step 5.3.3

Add $3$ and $2$ .

$(2 a^{7} - 2 a^{4} - 2 a^{5} - 2 a^{2} \cdot - 1) (a^{4} - 1)$

Step 5.4

Multiply $- 1$ by $- 2$ .

$(2 a^{7} - 2 a^{4} - 2 a^{5} + 2 a^{2}) (a^{4} - 1)$

Step 6

Expand $(2 a^{7} - 2 a^{4} - 2 a^{5} + 2 a^{2}) (a^{4} - 1)$ by multiplying each term in the first expression by each term in the second expression.

$2 a^{7} a^{4} + 2 a^{7} \cdot - 1 - 2 a^{4} a^{4} - 2 a^{4} \cdot - 1 - 2 a^{5} a^{4} - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7

Simplify terms.

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Step 7.1

Simplify each term.

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Step 7.1.1

Multiply $a^{7}$ by $a^{4}$ by adding the exponents.

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Step 7.1.1.1

Move $a^{4}$ .

$2 (a^{4} a^{7}) + 2 a^{7} \cdot - 1 - 2 a^{4} a^{4} - 2 a^{4} \cdot - 1 - 2 a^{5} a^{4} - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.1.2

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

$2 a^{4 + 7} + 2 a^{7} \cdot - 1 - 2 a^{4} a^{4} - 2 a^{4} \cdot - 1 - 2 a^{5} a^{4} - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.1.3

Add $4$ and $7$ .

$2 a^{11} + 2 a^{7} \cdot - 1 - 2 a^{4} a^{4} - 2 a^{4} \cdot - 1 - 2 a^{5} a^{4} - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.2

Multiply $- 1$ by $2$ .

$2 a^{11} - 2 a^{7} - 2 a^{4} a^{4} - 2 a^{4} \cdot - 1 - 2 a^{5} a^{4} - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.3

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

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Step 7.1.3.1

Move $a^{4}$ .

$2 a^{11} - 2 a^{7} - 2 (a^{4} a^{4}) - 2 a^{4} \cdot - 1 - 2 a^{5} a^{4} - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.3.2

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

$2 a^{11} - 2 a^{7} - 2 a^{4 + 4} - 2 a^{4} \cdot - 1 - 2 a^{5} a^{4} - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.3.3

Add $4$ and $4$ .

$2 a^{11} - 2 a^{7} - 2 a^{8} - 2 a^{4} \cdot - 1 - 2 a^{5} a^{4} - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.4

Multiply $- 1$ by $- 2$ .

$2 a^{11} - 2 a^{7} - 2 a^{8} + 2 a^{4} - 2 a^{5} a^{4} - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.5

Multiply $a^{5}$ by $a^{4}$ by adding the exponents.

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Step 7.1.5.1

Move $a^{4}$ .

$2 a^{11} - 2 a^{7} - 2 a^{8} + 2 a^{4} - 2 (a^{4} a^{5}) - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.5.2

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

$2 a^{11} - 2 a^{7} - 2 a^{8} + 2 a^{4} - 2 a^{4 + 5} - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.5.3

Add $4$ and $5$ .

$2 a^{11} - 2 a^{7} - 2 a^{8} + 2 a^{4} - 2 a^{9} - 2 a^{5} \cdot - 1 + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.6

Multiply $- 1$ by $- 2$ .

$2 a^{11} - 2 a^{7} - 2 a^{8} + 2 a^{4} - 2 a^{9} + 2 a^{5} + 2 a^{2} a^{4} + 2 a^{2} \cdot - 1$

Step 7.1.7

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

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Step 7.1.7.1

Move $a^{4}$ .

$2 a^{11} - 2 a^{7} - 2 a^{8} + 2 a^{4} - 2 a^{9} + 2 a^{5} + 2 (a^{4} a^{2}) + 2 a^{2} \cdot - 1$

Step 7.1.7.2

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

$2 a^{11} - 2 a^{7} - 2 a^{8} + 2 a^{4} - 2 a^{9} + 2 a^{5} + 2 a^{4 + 2} + 2 a^{2} \cdot - 1$

Step 7.1.7.3

Add $4$ and $2$ .

$2 a^{11} - 2 a^{7} - 2 a^{8} + 2 a^{4} - 2 a^{9} + 2 a^{5} + 2 a^{6} + 2 a^{2} \cdot - 1$

Step 7.1.8

Multiply $- 1$ by $2$ .

$2 a^{11} - 2 a^{7} - 2 a^{8} + 2 a^{4} - 2 a^{9} + 2 a^{5} + 2 a^{6} - 2 a^{2}$

Step 7.2

Reorder.

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Step 7.2.1

Move $2 a^{4}$ .

$2 a^{11} - 2 a^{7} - 2 a^{8} - 2 a^{9} + 2 a^{5} + 2 a^{6} + 2 a^{4} - 2 a^{2}$

Step 7.2.2

Move $2 a^{5}$ .

$2 a^{11} - 2 a^{7} - 2 a^{8} - 2 a^{9} + 2 a^{6} + 2 a^{5} + 2 a^{4} - 2 a^{2}$

Step 7.2.3

Move $- 2 a^{7}$ .

$2 a^{11} - 2 a^{8} - 2 a^{9} - 2 a^{7} + 2 a^{6} + 2 a^{5} + 2 a^{4} - 2 a^{2}$

Step 7.2.4

Move $- 2 a^{8}$ .

$2 a^{11} - 2 a^{9} - 2 a^{8} - 2 a^{7} + 2 a^{6} + 2 a^{5} + 2 a^{4} - 2 a^{2}$