求一道数学题那部分错了?并改正.
1/(x-4)+4/(x+1)=2/(x-3)+3/(x-2)
1/(x-4)-3/(x-2)=2/(x-3)-4/(x-1)①
(-2x+10)/(x²-6+8)=(-2x+10)/(x²-4x+3)②
1/(x²-6x+8)=1/(x²-4x+3)③
x²-6x+8=x²-4x+3④
x=5/2
我怎么都觉得是对的但题目说要错