Respuesta :

6m^2n^2 - 3mn + 4mn + 13m^2n^2 + 9
combine like terms
19m^2n^2 + mn + 9 <==

Simplified answer of [tex]6m^{2}n^{2}-3mn+4mn+13m^{2}n^{2}+9[/tex] is [tex]19m^{2}n^{2}+1mn+9[/tex]

What is Multivariable polynomial?

A polynomial in one indeterminate is called a univariate polynomial, a polynomial in more than one indeterminate is called a multivariate polynomial

Given,

[tex]6m^{2}n^{2}-3mn+4mn+13m^{2}n^{2}+9[/tex]

Add/ Subtract the like terms

Then it will become,

[tex]19m^{2}n^{2}+1mn+9[/tex]

Hence, Simplified answer of [tex]6m^{2}n^{2}-3mn+4mn+13m^{2}n^{2}+9[/tex] is  [tex]19m^{2}n^{2}+1mn+9[/tex]

Learn more about Multivariable polynomial here

https://brainly.com/question/9106484

#SPJ2