Question

Помогите срочно решить

Answer 1

$\frac{4a - 4b}{ {a}^{2} - 2ab + {b}^{2} } = \frac{4(a - b)}{ {(a - b)}^{2} } = \frac{4}{a - b }$

Answer 2

$\frac{4}{a - b}$