Multiply.
-$(x+8)(x-8)$
A) $x^{2}-16$
B) $x^{2}-64$
C) $x^{2}-16 x-64$
D) $x^{2}+16 x-64$

Name: Multiply. -$(x+8)(x-8)$ A) $x^{2}-16$ B) $x^{2}-64$ C) $x^{2}-16 x-64$ D) $x^{2}+16 x-64$
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Question

Quizplus · Accepted Answer

This is an application of the difference of squares formula, $a^2 - b^2 = (a + b)(a - b)$, where $a = x$ and $b = 8$, resulting in $x^2 - 64$.

Multiply - (x+8)(x−8)(x+8)(x-8)(x+8)(x−8) A) x2−16x^{2}-16x2−16 B) x2−64x^{2}-64x2−64 C) x2−16x−64x^{2}-16 x-64x2−16x−64 D) x2+16x−64x^{2}+16 x-64x2+16x−64