Solve the problem.
-$$( - 8 x - 3 ) ^ { 2 }$$
A) $64 x ^ { 2 } + 48 x + 9$
B) $- 8 x ^ { 2 } + 48 x + 9$
C) $- 8 x ^ { 2 } + 9$
D) $64 x ^ { 2 } + 9$

Question

Quizplus · Accepted Answer

To solve the problem, we expand the square of the binomial $(-8x - 3)^2$. This is done by squaring each term and then multiplying the terms together and doubling that product: $(-8x)^2 + 2(-8x)(-3) + (-3)^2 = 64x^2 + 48x + 9$.

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Solve the Problem $( - 8 x - 3 ) ^ { 2 }$