Write the product in its simplest form:
7x^6 y^3 • (-7y^2)
Please explain this to me when you answer it

Answer:
-49x^6y^5
Step-by-step explanation:
multiply the like terms (7y^3 and -7y^2)
7*-7 = -49
y^3+2 = y^5
combine the terms
-49x^6y^5