Question

tell me the marked question​

Answer 1

Step-by-step explanation:

[{-3x+(x)^3}/9]×[{10y+27(y)^3}/45]

=>[{-30xy-81x(y)^3+30(x)^3(y)+27(xy)^3}/405]

Answer 2

Answer:

I'm really sorry to say this

I don't know how to do