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asked Sep 12, 2023 227k views

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Please show all work and answer. Will give stunning review :)

Mathematics
college

Peter Quiring asked

by Peter Quiring

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Simplification of the expression is given below:

$\begin{gathered} =(x(5x+7)-6(5x+7))-(3x^2(x-1)-4x(x-1)+8(x-1)) \\ =(5x^2+7x-30x-42)-(3x^3-3x^2-4x^2+4x+8x-8) \\ =(5x^2-23x-42)-(3x^3-7x^2+12x-8) \\ =5x^2-23x-42-3x^3+7x^2-12x+8 \\ =-3x^3+12x^2-35x-34 \end{gathered}$

Debasish answered Sep 16, 2023

by Debasish

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