Question

Me ajude a resolver a EQUAÇÃO
6X²+6x-2=16

Answer 1

6X² +6x - 2 = 16
6x^2 + 6x - 2 - 16 = 0
6x^2 + 6x - 18 = 0 (:6)
x^2 + x - 3 = 0
a= 1 ; b = 1, c = - 3
∆ = b^2-4ac
∆ = 1^2 - 4.1.(-3)
∆ = 1+12
∆ = 13

x = [- b +/- √∆]/2a
x = [- 1 +/- √13]/2.1

x' = [- 1 + √13]/2
x" = [- 1 - √13]/2