Respuesta :

Step-by-step explanation:

7x6y².y.(-7y²)

7y²[x6y-1]

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