Rozwiaz równania:
1) x-3x+2=0
2) x²-4x+3=0
3) x²-x-2=0
4) 2x+x-1=0
5) 6x²-x-2=0
6) 3x²-x-2=0
7) x²+2x+1=0
8) 4x²+4+1=0
9) 9x²-12x+4=0
10) 4x²-20x+25=0
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1) x-3x+2=0/ -2+3x
x+3x=0-2
4x=-2/:4
x=-2