grafik fungsi kuadrat persamaan y=2x²-11x+12=0 memotong sumbu x di titik

y = 0
2x^2 - 11x + 12 = 0
2x^2 - 8x - 3x + 12 = 0
2x(x - 4) - 3(x - 4) = 0
(2x - 3)(x - 4) = 0

2x - 3 = 0
x = 3/2

x - 4 = 0
x = 4

jd titik potongnya dfn sb x
(3/2, 0)
(4, 0)