Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 5 - Section 5.5 - Dividing Polynomials - Exercise Set: 39

Answer

$-2x^{20}$

Work Step by Step

Divide the monomials by cancelling out common factors of the numbers and subtracting the exponents of variables. $\frac{-8x^{22}}{4x^2}=(\frac{-8}{4})x^{(22-2)}=-2x^{20}$ Check the answer. $4x^2\times(-2x^{20})=-8x^{2+20}=-8x^{22}$
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