Answer
The solutions are 0 and 8.
Work Step by Step
3x(x-8)=0
x=0 or x-8=0
x=0 or x-8+8=0+8
x=0 or x=8
The solutions are 0 and 8.
check
let x=0
x(x-8)=0
0(0-8)=0
0=0
Let x=8
x(x-8)=0
8(8-8)=0
8(0)=0
0=0
The solutions are 0 and 8.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Section 6.6 - Solving Quadratic Equations by Factoring - Exercise Set - Page 457: 9
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