(X-1)²=x-2 Tentukan a b dan c nya

bentuk pers. kuadrat
ax + by + c = 0
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(x - 1)² = x - 2
x² - 2x + 1 = x - 2
x² - 2x + 1 - x + 2 = 0
x² - 3x + 3 = 0
x² + (-3)x + 3 = 0

maka
a = 1
b = -3
c = 3