解方程(x²-5x)/(x+1)+(24x+24)/(x²-5x)+14=0
问题描述:
解方程(x²-5x)/(x+1)+(24x+24)/(x²-5x)+14=0
答
(x²-5x)/(x+1)+(24x+24)/(x²-5x)+14=0,a/b+24b/a+14=0,a^2+14ab+24b^2=0,(a+2b)(a+12b)=0,1.a=-2b,2.a=-12b,1.x²-5x=-2(x+1),x=1,x=2;2.x²-5x=-12(x+1),x=-3,x=-4.