Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 5 - Review Exercises - Page 400: 18

Answer

$6x^3+29x^2+27x-20$.

Work Step by Step

The given expression is $(2x+5)(3x^2+7x-4)$. Multiply the second bracket by each term of the first bracket. $=2x(3x^2+7x-4)+5(3x^2+7x-4)$ Clear the parentheses and simplify. $=6x^3+14x^2-8x+15x^2+35x-20$ Add like terms. $=6x^3+29x^2+27x-20$.
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