tentukan nilai x |x-2|=5

|×-2|=5
x - 2 = 5
x = 5+2
x = 7

x - 2 = -5
x = -5 +2
x = -3

x|x-2|=5
|x^2-2x|=5

x^2-2x=5
x^2-2x-5=0
(x-(1-akar6))(x+(1+akar6))

x^2-2x=-5
x^2-2x+5=0(tidak memenuhi)