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x²=3
4x-2x²=0 -2x(x+2)=0 -2x=0 x=2
x+2=0 x=-2
6x²=-3x 6x²+3x=0 3x(2x+1)=0 3x=0 x=0/-3 2x+1=0 2x=-1 x=-1/2 x=-0,5
9x²-3x=0 3x(3x-1)=0 3x=0 x=0/-3
3x-1=0 3x=1 x=1/3