Question

Помогите пожалуйста !!!!!!!!

Answer 1

$1) frac{ {y}^{2} + y}{ {y}^{2} } = frac{y(y + 1)}{ {y}^{2} } = frac{y + 1}{y} \ 2) frac{ {a}^{2} - 2a }{ {a}^{2} - 4 } = frac{a(a - 2)}{(a - 2)(a + 2)} = frac{a}{a + 2}$