Answer
$x=\frac{7}{5},-1$
Work Step by Step
$5x^{2}-2x=7$
$5x^{2}-2x-7=0$
$5x^{2}+5x-7x-7=0$
$5x(x+1)-7(x+1)=0$
$(x+1)(5x-7)=0$
$(x+1)=0$ and $(5x-7)=0$
$x=-1$ and $x=\frac{7}{5}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 8 - Test - Page 532: 1
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