Question

помогите плиз, срочно
Найдите значения выражения

Answer 1

$frac{(x+15)(x-15)}{(x+15)^2} = frac{x-15}{x+15} == textgreater x=25 \ \ frac{25-15}{25+15}= frac{10}{40}=0.25$

Answer 2

(x+15):(x+15)²/(x-15)=(x+15)*(x-15)/(x+15)²=(x-15)/(x+15)
x=25
(25-15)/(25+15)=10/40=0,25