Algebra: A Combined Approach (4th Edition)

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

Chapter 5 - Section 5.5 - Multiplying Polynomials - Exercise Set: 55


Answer: $2x^{3}+10x^{2}+11x-3$

Work Step by Step

To do: $(x+3)(2x^{2}+4x-1)$ =$x(2x^{2}+4x-1)+3(2x^{2}+4x-1)$ =$2x^{3}+4x^{2}-x+6x^{2}+12x-3$ =$2x^{3}+10x^{2}+11x-3$
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