Factor.
-$$( x - 5 ) ^ { 2 } - 4$$
A) $( x - 3 ) ( x - 7 )$
B) $( x + 3 ) ( x + 7 )$
C) $( x - 1 ) ( x - 9 )$
D) $( x - 7 ) ^ { 2 }$

Name: Factor. -\[( x - 5 ) ^ { 2 } - 4\] A) $( x - 3 ) ( x - 7 )$ B) $( x + 3 ) ( x + 7 )$ C) $( x - 1 ) ( x - 9 )$ D) $( x - 7 ) ^ { 2 }$
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Question

Quizplus · Accepted Answer

This is a difference of squares: $(x - 5)^2 - 4 = (x - 5)^2 - 2^2$, which factors into $(x - 5 - 2)(x - 5 + 2) = (x - 7)(x - 3)$.

Factor - (x−5)2−4( x - 5 ) ^ { 2 } - 4(x−5)2−4

Factor
- $( x - 5 ) ^ { 2 } - 4$