x² - 2x - 8 = 0
(x + 2) (x - 4) = 0
→ x + 2 = 0
x = -2
→ x - 4 = 0
x = 4
Hp = {-2,4}
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x² - 2x - 8 = 0
(x + 2) (x - 4) = 0
→ x + 2 = 0
x = -2
→ x - 4 = 0
x = 4
Hp = {-2,4}
semoga membantu