Find the products: 1) xy(2x^4y+x^2y^2-3xy^3) 2) (t+3)(2t^3-t+3) 3) (8+5)^3 4) (2y+3)^4 please include explanation if possible, thanks!

Question

Find the products:

1)
`xy(2x^4y+x^2y^2-3xy^3)`
2)
`(t+3)(2t^3-t+3)`
3)
`(8+5)^3`
4)
`(2y+3)^4`
please include explanation if possible, thanks!

Answer 1

Explanation: