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Verified answer
Sistem Persamaan Linear dan Kuadrat.y = x + 3
y = x² + 2x - 3
x + 3 = x² + 2x - 3
x + 3 - x² - 2x + 3 = 0
-x² - x + 6 = 0
x² + x - 6 = 0
(x - 2)(x + 3) = 0
x = 2 atau x = -3
Untuk x = 2
y = 2 + 3 = 5
Untuk x = -3
y = -3 + 3 = 0
HP = {(2, 5); (-3, 0)}