Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - Chapter 5 Test: 4

Answer

-28$x^{3}$$y^{5}$

Work Step by Step

(-4x$y^{2}$)(7$x^{2}$$y^{3}$) = Remove parentheses. -4x$y^{2}$ $\times$ 7$x^{2}$$y^{3}$ = Group similar terms. (-4 $\times$ 7) $\times$ (x $\times$ $x^{2}$ ) $\times$ ($y^{2}$ $\times$ $y^{3}$) = Simplify. -28 $\times$ $x^{3}$ $\times$ $y^{5}$ = -28$x^{3}$$y^{5}$
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