Basic Math Examples

(- a) (- 2 a)

$(- a) (- 2 a)$

Step 1

Rewrite using the commutative property of multiplication.

- 1 \cdot - 2 a \cdot a

$- 1 \cdot - 2 a \cdot a$

Step 2

Multiply

a

$a$ by

a

$a$ by adding the exponents.

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Step 2.1

Move

a

$a$ .

- 1 \cdot - 2 (a \cdot a)

$- 1 \cdot - 2 (a \cdot a)$

Step 2.2

Multiply

a

$a$ by

a

$a$ .

- 1 \cdot - 2 a^{2}

$- 1 \cdot - 2 a^{2}$

- 1 \cdot - 2 a^{2}

$- 1 \cdot - 2 a^{2}$

Step 3

Multiply

- 1

$- 1$ by

- 2

$- 2$ .

2 a^{2}

$2 a^{2}$