Factor (x-y)^2 - 9 (2x+y)^2

Mathematics
Tutor: None Selected Time limit: 1 Day

The answer should be (7x+2y)(-5x-4y)

PLEASE show steps

Sep 29th, 2014

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Sep 29th, 2014

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Sep 29th, 2014
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Sep 29th, 2014
Dec 2nd, 2016
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