Solve the problem.
-$$( m + 7 ) ( m - 7 )$$
A) $m ^ { 2 } - 14 m - 49$
B) $m ^ { 2 } - 49$
C) $m ^ { 2 } - 14$
D) $m ^ { 2 } - 14 m + 49$

Name: Solve the problem. -\[( m + 7 ) ( m - 7 )\] A) $m ^ { 2 } - 14 m - 49$ B) $m ^ { 2 } - 49$ C) $m ^ { 2 } - 14$ D) $m ^ { 2 } - 14 m + 49$
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Question

Quizplus · Accepted Answer

This problem uses the difference of squares formula, $a^2 - b^2 = (a + b)(a - b)$. Here, $a = m$ and $b = 7$, so the expression simplifies to $m^2 - 7^2 = m^2 - 49$.

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Solve the Problem $( m + 7 ) ( m - 7 )$