Simplify 8a-9(-7a-2) - Math help

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$8 a - 9 (- 7 a - 2)$

Simplify each term.

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Apply the distributive property.

$8 a - 9 (- 7 a) - 9 \cdot - 2$

Multiply $- 7$ by $- 9$ .

$8 a + 63 a - 9 \cdot - 2$

Multiply $- 9$ by $- 2$ .

$8 a + 63 a + 18$

$8 a + 63 a + 18$

Add $8 a$ and $63 a$ .

$71 a + 18$

Simplify 8a-9(-7a-2)

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