解方程:4(x-2)^2=9 9x^2-6x+1=0
解方程:x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
解方程(3x^2+9x+7)/(x+1)-(2x^2+4x-3)/(x-1)-(x^3+x+1)/(x^2-1)=0
方程(x+1)(x+2)(x+3)(x+4)(x+5)(x+6)(x+7)(x^2+8x+9)+64=0
解方程4x^2+2x√(3x^+x)+x-9=0
解方程:(4/x-2)+(x-1/x-5x+6)+(2/3-x)=0
解方程:(x-2)(x^2-6x-9)=x(x-5)(x-3)
解方程x^4-2x^3-6x^2+6x+9=0
①、解方程:4x^2-4x+1=x^2+6x+9
解方程 4x(3x-5)=9-2x(1-6x)
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)