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.
$A=9x^2-3x+5$.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
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
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
