Factor completely.
-$$4 x ^ { 2 } + 20 x + 25 - z ^ { 2 }$$
A) $( 2 x - 5 + z ) ( 2 x - 5 - z )$
B) $( 2 x + 5 + z ) ( 2 x + 5 - z )$
C) $( 2 x - 5 - z ) ^ { 2 }$
D) $( 2 x + 5 - z ) ^ { 2 }$

Name: Factor completely. -\[4 x ^ { 2 } + 20 x + 25 - z ^ { 2 }\] A) $( 2 x - 5 + z ) ( 2 x - 5 - z )$ B) $( 2 x + 5 + z ) ( 2 x + 5 - z )$ C) $( 2 x - 5 - z ) ^ { 2 }$ D) $( 2 x + 5 - z ) ^ { 2 }$
Brand: Quizplus
Rating: 4.8 (33 reviews)

Question

Quizplus · Accepted Answer

The expression is a difference of squares: $(2x + 5)^2 - z^2$, which factors as $(2x + 5 + z)(2x + 5 - z)$.

Factor Completely 4x2+20x+25−z24 x ^ { 2 } + 20 x + 25 - z ^ { 2 }4x2+20x+25−z2

Factor Completely $4 x ^ { 2 } + 20 x + 25 - z ^ { 2 }$