Answer
$4x^{2}+13x+15$
Work Step by Step
Add vertically.
Line up like terms.
$\begin{array}{lllll}
x^{2} & +6x & +11 & & \\
3x^{2} & +7x & +4 & & \\
-- & -- & -- & -- & add\\
4x^{2} & +13x & +15 & &
\end{array}$
Answer: $4x^{2}+13x+15$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - Mid-Chapter Quiz - Page 510: 5
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