Answer:
=-23y
Step-by-step explanation:
(-3y3-5y-2)+(-7y2+5y+2)
=-3yX3-5y-2-7yX2+5y+2
=-3X3y-5y-7X2y+5y-2+2
=-3X3y-7X2y-2+2
=-9y-7X2y-2+2
=-9y-14y-2+2
=-23y-2+2
I hope this helps!
-3y3-7y2