#### Answer

$6x^{2}-xy+16y^{2}$

#### Work Step by Step

We are given the polynomial $7x^{2}-2xy+5y^{2}-x^{2}+xy+11y^{2}$. We can simplify by combining like terms.
$(7x^{2}-x^{2})+(-2xy+xy)+(5y^{2}+11y^{2})=6x^{2}-xy+16y^{2}$

Published by
Pearson

ISBN 10:
0321785045

ISBN 13:
978-0-32178-504-6

$6x^{2}-xy+16y^{2}$

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