Persamaan kuadrat baru yg akarnya 5 dan -2

Matematika

(x - x1)(x - x2) = 0
(x - 5)(x - (-2)) = 0
(x - 5)(x + 2) = 0
x² + 2x - 5x - 10 = 0
x² - 3x - 10 = 0