Question

(-3y^2 — 5у — 2) +(-7y^2- 5y + 2)

Answer 1

Answer:

$-10y^2-10y$

Step-by-step explanation:

Combine like-terms: $-10y^2-10y$

Answer 2

$\text{Combine like terms:}\\\\(-3y^2 - 5y- 2) +(-7y^2- 5y + 2)\\\\-3y^2 - 5y- 2 -7y^2- 5y + 2\\\\-10y^2-5y-5y-2+2\\\\-10y^2-10y-2+2\\\\\boxed{-10y^2-10y}$