Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 6 - Section 6.5 - Complex Numbers in Polar Form; DeMoivre's Theorem - Exercise Set - Page 769: 118


The simplified form of the provided equation is $8x+34y$.

Work Step by Step

Consider the provided equation $4\left( 5x+4y \right)-2\left( 6x-9y \right)$ Simplify this equation as follows: $\begin{align} & \left( 20x+16y \right)-\left( 12x-18y \right) \\ & \left( 20x-12x \right)+\left( 16y+18y \right) \\ & 8x+34y \\ \end{align}$ The simplified equation is $8x+34y$.
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