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2x² - 4x + 3x - 6 = 0
2x(x - 2) + 3(x - 2) = 0
(2x + 3) (x - 2) = 0
2x + 3 = 0
2x = -3
x₁ = -3/2
x - 2 = 0
x₂ = 2
x₁ × x₂ = -3/2 × 2
= -3
Atau kita gunakan rumus cepat...
a = 2
b = -1
c = -6
x₁ × x₂ = c/a
= -6/2
= -3
Jadi dengan cara pertama atau kedua jawabannya adalah sama, yaitu -3.