Answer
$x=-6, -1$
Work Step by Step
$(x+4)^2-(x+4)-6=0$
$x*x+x*4+4*x+4*4-x-4-6=0$
$x^2+4x+4x+16-x-4-6=0$
$x^2+8x+16-x-10=0$
$x^2+7x+6=0$
$(x+1)(x+6)=0$
$x+1=0$
$x=-1$
$x+6=0$
$x=-6$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 11 - Section 11.3 - Solving Equations by Using Quadratic Methods - Practice - Page 783: 4
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