Answer
$8x^4-5x^3+6$
Work Step by Step
Start by breaking apart the parentheses. Then combine like terms to simplify.
$(13x^4-8x^3+2x^2)-(5x^4-3x^3+2x^2-6)$
$13x^4-8x^3+2x^2-5x^4+3x^3-2x^2+6$
$8x^4-5x^3+6$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Summary, Review, and Test - Review Exercises - Page 91: 74
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