Answer:
[tex]4(5+18m)[/tex]
Step-by-step explanation:
we have
[tex](20+72m)[/tex]
we know that
[tex]20=2^{2} *5[/tex]
[tex]72=2^{3} *3^{2}[/tex]
substitute
[tex](20+72m)=(2^{2} *5+2^{3} *3^{2}m)[/tex]
Factor [tex]2^{2}[/tex]
[tex](20+72m)=2^{2}(5+2*3^{2}m)[/tex]
[tex](20+72m)=4(5+18m)[/tex]
