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X2 a 1 x 2 0
X2 a 1 x 2 0 pictures 5
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X2 a
X2 a 1 x 2 0
x2+(a+1)x(3a+2)u003d0
akar persamaan x2 a 1 x 2 0
x2 a 1 x 2 0
