Question

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

Answer 1

10y^2

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

Answer 2

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

= −10y^2 / -10 exponent 2