Help please Evaluate the expression when a = -9 and b = - 4. a? - 2(b + 12)

asked Feb 28, 2022 216k views

3 votes

Help please
Evaluate the expression when a = -9 and b = - 4.
a? - 2(b + 12)

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2 votes

Explanation:

a^2 - 2(b + 12)

(-9)^2 - 2(-4 + 12)

81 - 2 (-4 + 12)

79 (-4 + 12)

79 × -4 + 79 × 12

-316 + 948

632

Compton answered Mar 5, 2022

3.8k points

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