Respuesta :
Step-by-step explanation:
the answer is 4 m + 5 and my workings and the image above

Answer:
[tex]4m + 5[/tex]
Step-by-step explanation:
[tex](16 {m}^{2} +40m+25)÷(4m+5)[/tex]
[tex] \frac{16 {m }^{2} + 40m + 25}{(4m + 5)} [/tex]
[tex] \frac{(4 m + 5 {)}^{2} }{4m + 5} [/tex]
[tex]4m + 5[/tex]