Answer:
6x^9x+2y-22x-y^3x+5y+12
Step-by-step explanation:
Combine like terms:
6x^10+2y+-22x+-xy^3+5y+12
=(6x^10)+(-xy^3)+(-22x)+(2y+5y)
=6x^10+-xy^3+-22x+7y+12
