Jawabanmu

2014-03-30T12:00:29+07:00
(x-x₁) (x-x₂) = 0
x₁=-2  x₂=5
(x+2) (x-5) = 0
x²-5x+2x-10 = 0
x²-3x-10 = 0
Persamaan Kuadratnya = x²-3x-10 = 0