Answer
$z_{1}=\frac{3}{4}$
$z_{2}=-6$
Work Step by Step
$4z^{y}+21z-18=0$
$(4z-3)+(z+6)=0$
________________________
1.)
$4z-3=0$
$4z=+3$
$z=\frac{3}{4}$
2.)
$z+6=0$
$z=-6$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 5 Polynomials and Polynomial Functions - 5.3 Add, Subtract, and Multiply Polynomials - 5.3 Exercises - Mixed Review - Page 352: 71
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