解:(1)5(X²-X)=3(1-X); 5x²-5x=3-3x5x²-2x-3=0(5x-3)(x+1)=0x1=3/5,x2=-1 (2)2X²-7X+6=0(2x-3)(x-2)=0x1=3/2,x2=2
