Algebra: A Combined Approach (4th Edition)

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: 18


The solutions are -1.7 and -2.3.

Work Step by Step

(x+1.7)(x+2.3)=0 x+1.7=0 or x+2.3=0 x+1.7-1.7=0-1.7 or x+2.3=0-2.3 x=-1.7 or x=-2.3 The solutions are -1.7 and -2.3. Check (x+1.7)(x+2.3)=0 Let x=-1.7 (-1.7+1.7)(-1.7+2.3)=0 0(0.6)=0 0=0 Let x=-2.3 (-2.3+1.7)(-2.3+2.3)=0 (-0.6)0=0 0=0
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