(2x²-3x+1)²=22x²-33x²+1 解方程
解方程:x²+3x-1=x-2
解方程(x²-x+4)x-(x-1)(x²+2)=x+7
解方程:x(6-x)-2x(x+1)-(x^3-3x^4)/x²=4
解方程(x²-3x)/(x²-1)+(2x-1)/(x-1)=0
解方程:x(x+2)+(2x+1)(2x-1)=5(x²+3)
(x+1)(2x-3)-(x-1)(x+2)=x²+7,解方程,
解方程:2(x-3)(x+1)=x²+(x-1)(x+2)
解方程:(x+1)(x-1)=x(2x+3)-(x-2)²
解方程 (3x+1)(3x-1)=(x+2)(9x-4) 2(x-3)(x-2)-(x+3)²=(x-1)(x
解方程:1.x/x+1-1=3/(x+1)(x-2) 2.3/x+2+1/x=4/x²+2x 3.2/3+x/
解方程(x²+3x+2)(x²-2x-1)(x²-7x+12)+24=0
解方程:(x²+x+1)/(x²+1)+(2x²+x+2)/(x²+x+1)=1