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a(x - n)² + b(x - n) + c = 0
1(x - 2)² - 2(x - 2) + 5 = 0
(x² - 4x + 4) - 2x + 4 + 5 = 0
x² - 6x + 13 = 0
Jadi, persamaan kuadrat yang akar-akarnya (p + 2) dan (q + 2) adalah x² - 6x + 13 = 0
Ok?