Answer
$14x^2-28x+17$
Work Step by Step
Use the FOIL method on the second and third sets of parentheses. Then combine like terms.
$(5x^2+2x-8)+(3x-5)^2$
$=(5x^2+2x-8)+(3x-5)(3x-5)$
$=(5x^2+2x-8)+(9x^2-30x+25)$
$=14x^2-28x+17$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 3 - Exponents, Polynomials and Functions - 3.2 Combining Functions - 3.2 Exercises - Page 244: 46
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