#### Answer

x=9 or -$\frac{4}{5}$

#### Work Step by Step

Set each variable factor as equal to zero and then isolate the variable to find the solutions.
(x-9)(5x+4)=0
x-9=0 or 5x+4=0
x=9 or 5x=-4
x=9 or x=-$\frac{4}{5}$

Published by
Pearson

ISBN 10:
0-13417-805-X

ISBN 13:
978-0-13417-805-9

x=9 or -$\frac{4}{5}$

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