Answer:
[tex]\large\boxed{4x+6y^3}[/tex]
Step-by-step explanation:
[tex]2x+x+x+2y\times3y\times y\\\\=(2x+x+x)+(2y\times3y\times y)\\\\=4x+(2\times3)(y\times y\times y)\\\\=4x+6y^3[/tex]
