Question

(x+1).(x+6) = 6.(x+3) qual o valor de x

Answer 1

(x+1).(x+6)= 6.(x+3)
x^2+6x+x+6=6x+18
x^2+x+6=18
x^2+x-12=0
x=-1+-V49/2
x=-1+7
—-
2

x=-1-7
——
2

x=-1+7
——
2

x1 = -4
x2 = 3