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-x-1=0
-x=1
x=-1
x-3=0
x=3
Jadi x = -1 dan x=3
semoga membantu
semua dikali -1
x² - 2x - 3 = 0
(x + 1)(x - 3) = 0
x + 1 = 0
x = - 1
x - 3 = 0
x = 3