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 - Section 5.1 - Introduction to Polynomials and Polynomial Functions - Exercise Set - Page 327: 104

Answer

$9x^2-3x+5$.

Work Step by Step

In the equation form $A-(4x^2+2x-3)=5x^2-5x+8$ Add to both sides $(4x^2+2x-3)$. $A-(4x^2+2x-3)+(4x^2+2x-3)=5x^2-5x+8+(4x^2+2x-3)$ Simplify. $A=5x^2-5x+8+4x^2+2x-3$ Add like terms. $A=9x^2-3x+5$.
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