Question

Resolva as equações completa do 2 grau d)x2-12x+36=0

Answer 1

d)
x^2-12x+36=0
a=1; b = -12; c = 36

∆= b^2-4ac
∆ = (-12)^2-4.1.36
∆=144-144
∆=0

x= [- b +/- √∆]/2a
x = [-(-12) +/- 0]2.1
x'=x" = 12/2 = 6

Resp.: (6)