Factor.
-$$( x - 7 ) ^ { 2 } - y ^ { 2 }$$
A) $( x - 7 - y ) ^ { 2 }$
B) $( x - 7 + y ) ( x - 7 - y )$
C) $( x - 7 + y ) ( x + 7 - y )$
D) $( x - 7 + y ) ^ { 2 }$

Name: Factor. -\[( x - 7 ) ^ { 2 } - y ^ { 2 }\] A) $( x - 7 - y ) ^ { 2 }$ B) $( x - 7 + y ) ( x - 7 - y )$ C) $( x - 7 + y ) ( x + 7 - y )$ D) $( x - 7 + y ) ^ { 2 }$
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Question

Quizplus · Accepted Answer

This expression is a difference of squares, which factors as $(a - b)(a + b)$. Applying this to the given expression, we get $(x - 7 - y)(x - 7 + y)$.

Factor - (x−7)2−y2( x - 7 ) ^ { 2 } - y ^ { 2 }(x−7)2−y2

Factor
- $( x - 7 ) ^ { 2 } - y ^ { 2 }$