Respuesta :

(xy^2 + 3z^14)(x^2y^4 - 3xy^2z^14 + 9z^28)
We can rewrite the expression like this: [tex]x^3y^6+27z^4\cdot \:2[/tex]
Multiply the numbers...
[tex]27\cdot \:2=54[/tex]
We are left with...
[tex]=x^3y^6+54z^4[/tex]

Done!
Have a nice day! :)