Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.3 Polynomials - R.3 Exercises: 87

Answer

$$p^{3}-7p^{2}-p-7$$

Work Step by Step

Initial equation: $$(p^{3}-4p^{2}+p)-(3p^{2}+2p+7)$$ Then distribute the $-$ sign to the second set of parenthesis: $$p^{3}-4p^{2}+p-3p^{2}-2p-7$$ Combine like terms to arrive at the final answer: $$p^{3}-7p^{2}-p-7$$
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