Question

Сократите дробь

7x^2 − x /4x

Answer 1

7x^2-x/4x=x(7x-1)/4x=7x-1/4

Answer 2

Все просто:
$frac{7x^2-x}{4x}=frac{x*(7x-1)}{4x}=frac{7x-1}{4};$