Factor completely. If the polynomial cannot be factored, write ʺprime.ʺ
-$25 x ^ { 2 } - 49$
A) $( 5 x - 7 ) ^ { 2 }$
B) $( 5 x + 7 ) ^ { 2 }$
C) $( 25 x + 1 ) ( x - 49 )$
D) $( 5 x + 7 ) ( 5 x - 7 )$

Name: Factor completely. If the polynomial cannot be factored, write ʺprime.ʺ -$25 x ^ { 2 } - 49$ A) $( 5 x - 7 ) ^ { 2 }$ B) $( 5 x + 7 ) ^ { 2 }$ C) $( 25 x + 1 ) ( x - 49 )$ D) $( 5 x + 7 ) ( 5 x - 7 )$
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Question

Quizplus · Accepted Answer

This polynomial is a difference of squares, which factors into $(5x + 7)(5x - 7)$.

Factor Completely 25x2−4925 x ^ { 2 } - 4925x2−49 A) (5x−7)2( 5 x - 7 ) ^ { 2 }(5x−7)2

Factor Completely $25 x ^ { 2 } - 49$ A) $( 5 x - 7 ) ^ { 2 }$