Find the following special products. (4x-3y)^2(4x-3y) I got 16x^2-12xy^2-12yx+9y^2 It wrong idk what to do!

asked May 27, 2017 144k views

4 votes

Find the following special products.

(4x-3y)^2(4x-3y)

I got 16x^2-12xy^2-12yx+9y^2

It wrong idk what to do!

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4 votes

(4x-3y)^2(4x-3y)
=(16x^2-24xy+9y^2)(4x-3y)
=64x^3-96x^2y+36xy^2-48x^2y+72xy^2-27y^3
=64x^2-144x^2y+108xy^2-27y^3

Schoenk answered Jun 1, 2017

7.5k points

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