解方程3X²+2X=7
(x+1)(2x-3)-(x-1)(x+2)=x²+7,解方程,
解方程(x²-x+4)x-(x-1)(x²+2)=x+7
解方程:2(X-3)(X+5)=X平方+(X+2)(X-2)+(X+7)
解方程(x²+3x+2)(x²-2x-1)(x²-7x+12)+24=0
解方程:x(x-2)-2x²=-3
解方程:x²+3x-1=x-2
解方程:7x-2x+3x=36
解方程7x-2x+3x=36
解方程3X²+2X=7
解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)
解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)