Answer
$(2x^{2}-6x+11)+(-3x^{2}+7x-2)=-x^{2}+x+9$
Work Step by Step
$(2x^{2}-6x+11)+(-3x^{2}+7x-2)$
Remove the parentheses and evaluate the sum by combining like terms:
$2x^{2}-6x+11-3x^{2}+7x-2=-x^{2}+x+9$
Calculus with Applications (10th Edition)
by Lial, Margaret L.; Greenwell, Raymond N.; Ritchey, Nathan P.
Published by
Pearson
ISBN 10:
0321749006
ISBN 13:
978-0-32174-900-0
Chapter R - Algebra Reference - R.1 Polynomials - R.1 Exercises - Page R-5: 1
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