Question

помогите Сократите дроби
A)
y²-y
-------
y²

B)
x²+3x
--------
x²-9​

Answer 1

a) (y² - y)/y² = (y(y-1))/y² = (y - 1)/y

б) (х² + 3х)/(х² - 9) = (х(х + 3))/(х - 3)(х + 3) = х/(х - 3)