(x³+1)÷(x²+x)=7/6
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
化简求值 (x³+4x²)÷x+(2x+1)(2x-1)-4x(x+1) x=-2
(x³-1)÷(x-1)=?(9x³-6x²-5x+2)÷(3x-1)=?计算
因式分解 (1) x³-3x²+4x=0 (2) x³+5x+18=0 (3) (6x+7
(3x²)³-7x³[x³-x(4x²+1)]
x³-x²/x²+x÷(x²-1) 计算
2道分式计算[(x+4)(x-2)]/x³+2x²+x÷[(x-2)/x·(x+4)/(x+1)]2
当x=2013时,(x²-2x+1)²÷(x-1)³
计算2x/(x³-1)÷1/(x²+x+1)=
解方程.(5x/x²+x-6)+(2x-5/x²-x-12)=7x-10/x²-6x+8
先化简再求值:(x+2/x²-2x - x-1/x²-4x+4)÷ x-4/x,其中x=3/2
(8-7x-6x²+2x³)+(x³+5x²+4x-1)-(-x²-3