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 - Page 386: 49



Work Step by Step

Divide the monomials by cancelling out common factors of the numbers and subtracting the exponents of variables. $\frac{9x^{20}y^{20}}{7x^{20}y^{20}}$=$\frac{9}{7}$x$^{(20-20)}$y$^{(20-20)}$=$\frac{9}{7}$x$^0$y$^0$=$\frac{9}{7}$ Check the answer. 7x$^{20}$y$^{20}$($\frac{9}{7}$)=$\frac{7(9)}{7}$x$^{20}$y$^{20}$=9x$^{20}$y$^{20}$
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