(х+5)^2-x(x-10) при x=1/20

Question

(х+5)^2-x(x-10) при x=1/20

Answer 1

X^2+10x+25-x^2+10x=20x+25=26

Answer 2

X^2+10x+25-x^2+10x;
20x+25;
20*1/20+25 => 1+25=26
Ответ:26