tentukan himpunan penyelesaian dari x²-6x=0

x² - 6x = 0
a = 1 b = -6 c = 0
x₁₂ = [-b +- √(b² - 4ac)] / (2a)
      = {-(-6) +- √[(-6)² - 4(1)(0)]} / [2(1)]
      = (6 +- 6) / 2
x₁ = (6 + 6) / 2 = 6 atau x₂ = (6 - 6) / 2 = 0