Raymond B. answered • 10/30/20
Tutor
5
(2)
Math, microeconomics or criminal justice
- (x+2)^2 = 0
x+2 = 0
x= -2
- -5x^2 + 7x +2 = 0
use the quadratic formula
x = 7/10 + or - (1/10)sqr(49+40)
= 7/10 + or - sqr(89)/10 = about 7/10 + or - 9.4/10 = 16.4/10 or -2.4/10
x = about 1.64 or -0.24
