x/x－1＝3/2x–2-2

x-1)(X-2)(x-3)...(x-50)+x(x-2)(X-3)...(X-50)+...+x(x-1)(x-2) x/(x-1) -1＝3/(x-1)(x+2) x+2/x+1-x+3/x+2-x+4/x+3+x+5/x+4 x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x x(2x－1)＝-3x(x+1)+5x²+3 x+2/x+3－x+1/x+2=x+8/x+9－x+7/x+8 1+x+x^2+x^3+.+x^99+x^100 方程x+1x+2+x+8x+9＝x+2x+3+x+7x+8 |X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10| x(2-1/x)+x/(x^2-2x)÷(3-x)/(x^2-4) 解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6) x(x+1)^3+x(x+1)^2+x(x+1)+x+1因式分解