5(x+2)=6(x-2)怎么算

2X=5X怎么算? (x+5)^2=10+（x+5)x怎么算 7x(x-6)+3x=4x(2x+5)怎么解这个方程 x^2+5x+6分之x^2+5x+5减去x^2+8x+15分之x^2+8x+14 怎么算 X/2-5X+11/6=1+2X-4/3怎么算 (x+5)²-(x-2)(x-3) =x²+10x+25-(x²-5x+6) *5x怎么来 x²+2x-6/x²+2x=1怎么算 (-x+2x²+5）+（4x²-3-6x）怎么算? (2x+1)²-(x+3)(3-x)=6x怎么简便算? 方程X(X-4)=(X-2)(X-6)怎么算 5x-4/x-2=4x 10/3x-6-1 怎么解 2.5(x+2)-4.5(x-6)=5x-7,x怎么解