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*untuk X1
(x - ) = 0
x = 1/2
*untuk X2 caranya sama dengan X1
Jadi akar persamaanya adalah dan
x² - x = -(1/4)
x² - x + (1/2)² = -(1/4) + (1/2)²
x² - x + 1/4 = -(1/4) + 1/4
x² - x + 1/4 = 0
(x - 1/2)² = 0
(x - 1/2)(x - 1/2) = 0
x = 1/2