(x²-6x)²+(18x²-6x)+81
(x²-6x+9)÷x+3分之x²-9x+18,计算
x²-6x²)+18(x²-6x)+81
多项式x²-3x+2,x²-18x+32,x²+x-6的公因式是()
解方程①(x+3/x-1)²-5(x+3/x-1)+6=0 ②x²-2/x+3-6x+18/x
(x+1-1/1-x)÷(x-x²/x-1) (x-4/x-x-6+ x+2/x-3)÷x+1/x-3
(2x-6)/(x²-4x)/(X+3)*( x²+x-6)/(3-x)等于多少?
计算(x²+x+6)(x²-x+6)
X²-6x+9 x²-9 x+3
6x+(2x²-3x)-(x²-1)
解方程.(5x/x²+x-6)+(2x-5/x²-x-12)=7x-10/x²-6x+8
计算[x²-x-2/x²-x-6]/[x²+x-6/x²+x-2]的结果是.
解方程x(2x-5)-x(x+2)=x²-6,