Question

please answer me sir​

Answer 1

$\large{ \red{ \longrightarrow \: \sqrt{625} - x = 10}}$

$\large{ \red{ \longrightarrow \: 25 - x = 10}}$

$\large{ \red{ \longrightarrow \: 25 = 10 + x}}$

$\large{ \red{ \longrightarrow \: x = 25 - 10}}$

$\huge{ \red{\bigstar \Longrightarrow \: x = 15}}$