Question

Add 4y(y²+2xy+5) and 2x(5y+2x+5).

Answer 1

4y^3 + 8xy^2 + 10xy + 20y + 4x^2 + 10x

Explanation:

4y(y²+2xy+5) and 2x(5y+2x+5)

first do the brackets

4y^3 + 8xy^2 + 20y + 10xy + 4x^2 + 10x

combine like terms

4y^3 + 8xy^2 + 10xy + 20y + 4x^2 + 10x