Precalculus (6th Edition) Blitzer

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

Chapter 1 - Section 1.10 - Modeling with Functions - Exercise Set - Page 296: 70

Answer

The multiplication form of the equation $\left( 7-3x \right)\left( -2-5x \right)$ is $15{{x}^{2}}-29x-14$.

Work Step by Step

Consider the equation $\left( 7-3x \right)\left( -2-5x \right)$ Multiply: $\begin{align} & \left( 7-3x \right)\left( -2-5x \right)=-14+6x-35x+15{{x}^{2}} \\ & =15{{x}^{2}}-29x-14 \end{align}$ Hence, the multiplication form of the equation $\left( 7-3x \right)\left( -2-5x \right)$ is $15{{x}^{2}}-29x-14$.
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