Respuesta :

Answer:

3x2+9x+3y

Step-by-step explanation:

Let's simplify step-by-step.

17x+3x2+2y+y−5x−3x

=17x+3x2+2y+y+−5x+−3x

Combine Like Terms:

=17x+3x2+2y+y+−5x+−3x

=(3x2)+(17x+−5x+−3x)+(2y+y)