Factor.
-$25 - 81 x ^ { 2 }$
A) $( 5 - 9 x ) ^ { 2 }$
B) $( 5 + 9 x ) ( 5 - 9 x )$
C) $( 5 + 9 x ) ^ { 2 }$
D) prime polynomial

Name: Factor. -$25 - 81 x ^ { 2 }$ A) $( 5 - 9 x ) ^ { 2 }$ B) $( 5 + 9 x ) ( 5 - 9 x )$ C) $( 5 + 9 x ) ^ { 2 }$ D) prime polynomial
Brand: Quizplus
Rating: 4.8 (34 reviews)

Question

Quizplus · Accepted Answer

This expression is a difference of squares, which factors as $(a + b)(a - b)$ where $a = 5$ and $b = 9x$, resulting in $(5 + 9x)(5 - 9x)$.

Factor - 25−81x225 - 81 x ^ { 2 }25−81x2 A) (5−9x)2( 5 - 9 x ) ^ { 2 }(5−9x)2

Factor
- $25 - 81 x ^ { 2 }$ A) $( 5 - 9 x ) ^ { 2 }$