Answer
$x^3-4x^2+9x+7$
Work Step by Step
Combine like terms to obtain:
$=x^3-2x^2+5x+10 - 2x^2 - (-4x) - 3
\\=x^3-2x^2-2x^2+5x+10+4x-3
\\=x^3-4x^2+(5x+4x) + (10-3)
\\=x^3-4x^2+9x+7$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter R - Section R.4 - Polynomials - R.4 Assess Your Understanding - Page 48: 31
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