Respuesta :

Answer:

(-3y2-5y-2)+(-7y2+5y+2

= −10y^2 / -10 exponent 2

Answer:

10y^2

Step-by-step explanation:

(-3y^2-5y-2)+(-7y^2+5y+2)

-3y^2-5y-2-7y^2+5y+2

so -3y^2-7y^2  is 10y^2

then -5y+5y  is  0

and  -2+2    is also 0

so the answer is 10y^2