Answer
$b=1$ or $b=-4$
Work Step by Step
$b^2+3b-4=0$
$b^2-b+4b-4=0$
$b(b-1)+4(b-1)=0$
$(b-1)(b+4)=0$
$b=1$ or $b=-4$
The equation has two solutions, $b=1$ or $b=-4$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 9 - Quadratic Functions and Equations - Mid-Chapter Quiz - Page 575: 18
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