2x-3/2+1-1/x=32x-0.5-1/x=32x-1/x=3.5x=2
2x-3/2+1-1/x= 32x-1/x= 3-1+3/2= 7/2（2x-1/x）*2x= 7/2*2x4x²-2= 7x4x²-7x-2= 0（x-2）（4x+1）= 0x1-2= 0x1= 24x2+1= 0x2= -1/4= -0.25
