Question

referente a equaçao 2x²+3x-2=0, podemos afirmar que

Answer 1

2x^2 + 3x - 2 = 0
a=2; b = 3; c = -2
∆ = b^2-4ac
∆ = 3^2 - 4.2.(-2)
∆ = 9+16
∆ =25
x= [- b +/- √∆]/2a
x = [-3 +/- 5]/2.2
x' = [-3-5]/4 = -8/4 = - 2
x" = [-3+5]/4 = 2/4 = 1/2