Multiply.
-(5 + m)(5 - m)
A) $25 + 10 m - m ^ { 2 }$
B) $25 - \mathrm { m } ^ { 2 }$
C) $25 - 10 m - m ^ { 2 }$
D) $10 - m ^ { 2 }$

Name: Multiply. -(5 + m)(5 - m) A) $25 + 10 m - m ^ { 2 }$ B) $25 - \mathrm { m } ^ { 2 }$ C) $25 - 10 m - m ^ { 2 }$ D) $10 - m ^ { 2 }$
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Question

Quizplus · Accepted Answer

Using the FOIL method for multiplying two binomials, we get: (5 + m)(5 - m) = 25 - m^2. The middle terms (+5m and -5m) cancel each other out.

Multiply -(5 + M)(5 - M) A) 25+10m−m225 + 10 m - m ^ { 2 }25+10m−m2

Multiply
-(5 + M)(5 - M)
A) $25 + 10 m - m ^ { 2 }$