Precalculus (6th Edition)

by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie

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 - Page 33: 59

Answer

$12x^{5} + 8x^{4} - 20x^{3} + 4x^{2}$

Work Step by Step

Multiply $4x^{2}$ into the polynomial: $4x^{2}\times 3x^{3} + 4x^{2}\times 2x^{2} + 4x^{2}\times 5x + 4x^{2}\times 1$ $=12x^{5} + 8x^{4} - 20x^{3} + 4x^{2}$

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