Sheri K.
asked • 03/31/21Raymond B. answered • 03/31/21
Math, microeconomics or criminal justice
4x^2 + 12x - 135 =0
x^2 + 3x = 135/4
x^2 + 3x + 9/4 = 135/4 + 9/4
(x+3/2)^2 = 144/4
x +3/2 = + or - 12/2 = 6
x= 6-3/2 or -6-3/2
x = 9/2 or -15/2
x = 4 1/2 or - 7 1/2
the positive solution is x = 4.5
Get a free answer to a quick problem.
Most questions answered within 4 hours.
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
Answers · 3
Answers · 4
Answers · 1
Answers · 2
Answers · 4
Andrew S.
5.0 (441)
Drew L.
5.0 (1,213)
Ehsan S.
5.0 (549)
