Question

Как решить этот пример?

Answer 1

$25^n-5^{n-1}=(5^2)^n-5^n*5^{-1}=5^{2n}-5^n* \frac{1}{5}=\\\\=5^n(5^n- \frac{1}{5})$

Answer 2

Problem:

The user has provided an equation without specifying the exact equation. The equation is not visible in the user's input. Could you please provide the equation so that I can help you solve it?