Question

x-7/x-2 + x+4/x+2 =1

Answer 1

 ((х-7)*(х+2)+(х+4)*(х-2))/(x^2-4)=1
x^2-7x+2x-14+x^2-2x+4x-8=x^2-4
2x^2-3x-22-x^2+4=0
x^2-3x-18=0

x1=6 x2=-3