Answer
$b=1, -4$
Work Step by Step
$b^2+3b-4=0$
$(b-1)(b+4)=0$
$b-1 =0$
$b-1+1 =0$
$b=1$
$b+4 =0$
$b+4-4 =0$
$b=-4$
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 - Mid-Chapter Quiz - Page 560: 18
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