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2x²-11x+12=0 va rog mult

Răspuns :

2x²-11x+12=0
2x²-3x-8x+12=0
x(2x-3)-4(2x-3)=0
(2x-3)(x-4)=0
2x-3=0     x=3/2
x-4=0       x=4