Question

Помогите!! 9 класс

16/(х^2 -2х) - 11/х^2-2х = 9/ х^2-2х+1

Answer 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

Answer 2

и вот :

Answer 3

х/(х+2 ) + х+1/(х+5) - 7-х/(х^2+7х+10)= 0