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X1+X2=-b/a=-(-1)/3=1/3
itu yg gue tau dari guru gue wkwkwkkw
a = 3
b = -1
c = 1
x1 + x2 = = =
x1 . x2 = =
persamaan kuadrat baru
x² - (x1 + x2)x + (x1 . x2) = 0
x² - ()x + () = 0
x² - x + = 0
3x² - x + 1 = 0