Question

Factor problems 13 - 16 by using the perfect squares method.

16. 4x4 – 20x2 + 25

A. (2x2 + 5)(2x2 + 5)
B. (2x2 – 5)(2x2 + 5)
C. (-2x2 – 5)(-2x2 – 5)
D. (2x2 – 5)(2x2 – 5)
E. (2x2 – 5)(-2x2 + 5)
F. This polynomial cannot be factored by using the perfect squares method.
it is not B, A or F

Answer 1

Your answer is D. (2x2 - 5)(-2x2 + 5)