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x² + 5x - 6 = 2x - 2
x² + 5x - 2x - 6 + 2 = 0
x² + 3x - 4 = 0
(x - 1)(x + 4) = 0
x - 1 = 0 atau x + 4 = 0
x = 1 atau x = - 4
untuk x = 1
y = 2x - 2
= 2.(1) - 2
= 2 - 2
= 0 ......(1 , 0)
untuk x = - 4
y = 2x - 2
= 2.(-4) - 2
= - 8 - 2
= - 10
jadi HP :{(1, 0) ,(- 4 , - 10)}