Akar persamaan x²-x-2=0
Matematika
Dammar67071
Pertanyaan
Akar persamaan x²-x-2=0
1 Jawaban
-
1. Jawaban EkoBwi
x² - x -2 = 0
x² -2x + x -2 = 0
x(x-2) + 1(x-2) = 0
(x+1)(x-2) = 0
X1 = -1
X2 = 2