Solve the problem.
-$$( n + 3 ) ^ { 2 }$$
A) $n ^ { 2 } + 9$
B) $n ^ { 2 } + 6 n + 9$
C) $9 n ^ { 2 } + 6 n + 9$
D) $n + 9$

Name: Solve the problem. -\[( n + 3 ) ^ { 2 }\] A) $n ^ { 2 } + 9$ B) $n ^ { 2 } + 6 n + 9$ C) $9 n ^ { 2 } + 6 n + 9$ D) $n + 9$
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Question

Quizplus · Accepted Answer

Expanding $(n + 3)^2$ using the formula $(a + b)^2 = a^2 + 2ab + b^2$ gives $n^2 + 6n + 9$.

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