求解X-0.5X-0.5=2-3/(X+2)
问题描述：
求解X-0.5X-0.5=2-3/(X+2)
3(x+2)-2(x-2)=-2x+6
答
①X-0.5X-0.5=2-3/(X+2)0.5x=2.5-3/(x+2) 0.5x(x+2)=2.5(x+2)-30.5x²+x=2.5x+5-3 0.5x²-1.5x-2=0x²-3x-4=0 (x-4)(x+1)=0 x1=4 x2=-1②3(x+2)-2(x-2)=-2x+63x+6-2x+4=-2x+6 3x=-4 x=-4/3