Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 3 - Exponents, Polynomials and Functions - Chapter Test: 14

Answer

9x$^2$y-4xy-2y$^2$+8

Work Step by Step

(4x$^2$y+3xy-2y$^2$)+(5x$^2$y-7xy+8) =4x$^2$y+3xy-2y$^2$+5x$^2$y-7xy+8 =9x$^2$y-4xy-2y$^2$+8
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