Answer
$2x(3x+5).$
Work Step by Step
We factor out $2x$ and combine like terms as follows:
\begin{align*}
2x(2x + 5) + x^2 \cdot 2&= 2x(2x+5+x)\\
&=2x(3x+5).
\end{align*}
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Appendix A - Review - A.4 Factoring Polynomials - A.4 Assess Your Understanding - Page A40: 125
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