Answer
$x=0, 3$
Work Step by Step
$3x^3-9x^2=0$
$x(3x^2-9x)=0$
$x^2(3x-9)=0$
$3x^2(x-3)=0$
$3x^2 = 0$
$3x^2/3=0/3$
$x^2 = 0$
$\sqrt {x^2} = \sqrt 0$
$x = 0$
$x-3 =0$
$x-3+3=0+3$
$x = 3$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-4 Factoring to Solve Quadratic Equations - Practice and Problem-Solving Exercises - Page 559: 41
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