Jawabanmu

2014-03-07T07:36:22+07:00
A. X^2-5x+4=0 | (x-4) (x-1) = 0 | x=4 V x=1
B. X^2-x-6=0 | (x-3) (x+2) = 0 | x=3 V x=-2

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