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4x - x² = x² - 2x
Menjadi:
0 = 2x² - 6x
0 = x² - 3x
0 = x(x-3)
Untuk x = 0, dan y = 4x - x² = 4(0) - 0² = 0
Untuk x = 3, dan y = 4x - x² = 4(3) - 3² = 3
Maka:
HP = {(x,y) | (0,0), (3,3)}