Answer
$4x^{2}+13x+15$
Work Step by Step
By simplifying the brackets we get
=$x^{2}+6x+11+3x^{2}+7x+4$
Then we add like terms together which are terms that have the same variables.
=$x^{2}+3x^{2}+6x+7x+11+4$
=$4x^{2}+13x+15$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 8 - Polynomials and Factoring - Mid-Chapter Quiz - Page 498: 5
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