Let's start by copying the polynomial:
[tex]22m(35m-18n)[/tex]To simplify it, we can apply the distributiv property of multiplication:
[tex]22m(35m-18n)=22m\cdot35m+22m(-18n)=770m^2-396mn[/tex]So, the plification is:
[tex]22m(35m-18n)=770m^2-396mn[/tex]