3 years ago

[50 POINTS]

2 answers:

5 0

A^2 + 2AB + B^2 = (A + B)^2 ==>

16X^2 + 40X + 25 =
= (4X)^2 + 2*4*5X + 5^2 =
= (4X + 5)^2

(4x + 5)(4x + 5)

3 0

(4x + 5)(4x + 5) is your final answer.

Hope this helps.

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