Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix A - Exercise Set: 60

Answer

$(r+5)(2s-1)$

Work Step by Step

Step 1: Since the polynomial has 4 terms, we can try to factor this polynomial by grouping. Step 2: $2sr+10s-r-5$ Step 3: $2s(r+5)-1(r+5)$ Step 4: $(r+5)(2s-1)$
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