Помогите!! 9 класс 16/(х^2 -2х) - 11/х^2-2х = 9/ х^2-2х+1
X^2-8x+16+(x+9)^2-2x^2=0 x^2-8x+16+x^2+18x+81-2x^2=0 2x^2-8x+16+18x+81-2x^2=0 2x^2+10x+16+81-2x^2=0 2x^2+10x+97-2x^2=0 10x+97=0 x=-97/10 x=-9.7
и вот :
х/(х+2 ) + х+1/(х+5) - 7-х/(х^2+7х+10)= 0