Question

РЕШИТЕ ПОЖАЛУЙСТА СРОЧНО

Answer 1

x(x-2)/(x-2)(x+2)=x/x+2

Answer 2

x/x=1; 1+2=3

Answer 3

$frac{ x^{2}-2x }{ x^{2} -4} = frac{ x^{2}}{ x^{2}} - frac{2x}{4} =1- frac{2x}{4} \ 1=2x/4 \ 2x=1*4=4 \ x=4/2=2$