$(-3 x-5)^{2}$
A) $9 x^{2}+30 x+25$
B) $-3 x^{2}+30 x+25$
C) $9 x^{2}+25$
D) $-3 x^{2}+25$

Name: $(-3 x-5)^{2}$ A) $9 x^{2}+30 x+25$ B) $-3 x^{2}+30 x+25$ C) $9 x^{2}+25$ D) $-3 x^{2}+25$
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Question

Quizplus · Accepted Answer

When you square $(-3x-5)^2$, you apply the formula $(a-b)^2 = a^2 - 2ab + b^2$, with $a=-3x$ and $b=5$, resulting in $9x^2 + 30x + 25$.

(−3x−5)2(-3 x-5)^{2}(−3x−5)2 A) 9x2+30x+259 x^{2}+30 x+259x2+30x+25 B) −3x2+30x+25-3 x^{2}+30 x+25−3x2+30x+25 C) 9x2+259 x^{2}+259x2+25