Question #7e4ca

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Answer 1 · 2016-12-04T05:08:27

$16x^3y-4xy^3$

Given -

$4xy(2x-y)(2x+y)$
$(2x-y)(2x+y)$ is in the form of $(a-b)(a+b)$

for $(a-b)(a+b)$ the answer is $a^2-b^2$

Apply this in our problem.

$4xy((2x)^2-(y)^2)$

Simplify it -

$4xy(4x^2-y^2)$

$16x^3y-4xy^3$