|5x+1|>2-x
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
(x/x-1)+(5x-2)/x*x-x=1 求x(有图)
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
(5x+1)X(6x+2)
5x(3x-2)-(x+1)
1/(x+3)-(x-2)/(x^2-5x+6)
(X-1)^3(x-2)(x-3)^2(x-5)
6/x+1=x-5/x^2+x
(x+1)(x+2)(x+5)(x+7)+15 因式分解
因式分解 (x+1)(x+2)(x+5)(x+7)+15