SOLUTION: 3x(9x^2+3xy^2+y^4)-y^2(9x^2+3xy^2+y^4) Simplify.

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Question 72788This question is from textbook Essential Algebra
: 3x(9x^2+3xy^2+y^4)-y^2(9x^2+3xy^2+y^4) Simplify. This question is from textbook Essential Algebra

Answer by rmromero(383)   (Show Source): You can put this solution on YOUR website!

Simplify
3x(9x^2+3xy^2+y^4)-y^2(9x^2+3xy^2+y^4) Distributive Property
3x(9x^2) + 3x(3xy^2) - 3x(y^2) - [y^2(9x^2) + y^2(3xy^2) + y^4(y^4)]

27x^3 + 9x^2y^2 - 3xy^2 - (9x^2y^2 + 3xy^4 + y^8)

27x^3 + 9x^2y^2 - 3xy^2 - 1(9x^2y^2 + 3xy^4 + y^8)
27x^3 + 9x^2y^2 - 3xy^2 - 9x^2y^2 - 3xy^4 - y^8
27x^3 + 9x^2y^2 - 3xy^2 - 9x^2y^2 - 3xy^4 - y^8 combine
27x^3 - 3xy^2 - 3xy^4 - y^8
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