Answer
$2x^{2}-4x+6$
Work Step by Step
We use the distributive property and combine like terms:
$(x^{2}-x+2)+(2x^{2}-3x+5)-(x^{2}+1)
=x^{2}-x+2+2x^{2}-3x+5-x^{2}-1
=2x^{2}-4x+6$
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: 39
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