【(x²+3x-18)/(x²+6x)】/(x²+9-6x)
(x²-6x+9)÷x+3分之x²-9x+18,计算
(2x-6)/(x²-4x)/(X+3)*( x²+x-6)/(3-x)等于多少?
(x²-6x+9分之x²-9)-x²-3x分之4x
多项式x²-3x+2,x²-18x+32,x²+x-6的公因式是()
不等式|(x+3)/x|>(x+3)/x,不等式(x²-9)/(x-2)>0
9x+6x²-3(x-2/3x²),其中x=-2 1/4(-4x²+2x-8)-(1/2x
解方程①(x+3/x-1)²-5(x+3/x-1)+6=0 ②x²-2/x+3-6x+18/x
(1) (x²-9分之x+3 + 6+x-x²分之x)乘4x-6分之3-x (2)解答题:已知2x-
X²-6x+9 x²-9 x+3
f(x)=x²+3x|x-2|
x²+3x+9/(x²-27)+6x/(9x-x²)-(x-1)/(6+2x)
化简 (x+y)(x²-xy+y²) ; 3(2x-1)(x+6)-5(x-3)(x+6)