qa95l526 qa95l526

28-10-2016
Mathematics

contestada

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!

Respuesta :

LeilaChen LeilaChen

28-10-2016

(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

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