2x-6/4-4x+x²÷(x+3)×x²+x-6/3-x怎么做?(/是分数线）急需!

2x-6/4-4x+x²÷(x+3)×x²+x-6/3-x怎么做?(/是分数线）急需!
2x-6/4-4x+x²÷(x+3)×x²+x-6/3-x怎么做?(/是分数线）急需!

2x-6/4-4x+x²÷(x+3)×x²+x-6/3-x怎么做?(/是分数线）急需!
原式=2x-4x+x-x-6/4-6/3+x四次方/x+3
=-2x-3/2-1+x四次方/x+3
=-2x-5/2+x四次方/x+3
=(2x四次方-4x²-17-15)/2X+6
绝对正确,不过lz你这题挺坑