Solve the problem.
-$( w - 9 ) ^ { 2 }$
A) $w ^ { 2 } + 81$
B) $81 w ^ { 2 } - 18 w + 81$
C) $w ^ { 2 } - 18 w + 81$
D) $w + 81$

Name: Solve the problem. -$( w - 9 ) ^ { 2 }$ A) $w ^ { 2 } + 81$ B) $81 w ^ { 2 } - 18 w + 81$ C) $w ^ { 2 } - 18 w + 81$ D) $w + 81$
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Question

Quizplus · Accepted Answer

Expanding $( w - 9 ) ^ { 2 }$ using the formula $(a - b)^2 = a^2 - 2ab + b^2$, we get $w^2 - 18w + 81$.

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