Спростити вираз: x(2x-9)^2-2x(15+x)^2. Created by brakoff2003. algebra-ru

Спростити вираз: x(2x-9)^2-2x(15+x)^2...

March 2022 1 18 Report

Спростити вираз: x(2x-9)^2-2x(15+x)^2

Kixcertborn2

x(2x-9)^2-2x(15+x)^2=

=x*(4x^2-36x+81)-2x*(225+30x+x^2)=

=4x^3-36x^2+81x-450x-60x^2-2x^2=

=2x^3-96x^2-369x

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