-16x^4+64x^2

how to factor out -16 from the expression above
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1 Answer

Given -16x^4+64x^2
16x^2(-x^2+4)
-16x^2(x^2-2^2)
-16x^2(x+2)(x-2)
-16x^2=0 or x-2=0 or x+2=0
x=0 or x=2 or x-2

Algebraic Expression
 

by Level 8 User (30.1k points)

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