Answer
$(3x-7)(5+x)$
Work Step by Step
By grouping the first two terms and the second two terms and then taking common factors, we have
$$5(3x - 7) + x(3x - 7)=(3x-7)(5+x)
.$$
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: 112
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