Respuesta :
[tex]\huge\text{Hey there!}[/tex]
[tex]\mathsf{5(u + 4) - 9u}\\\mathsf{= 5(u) + 5(4) - 9u}\\\mathsf{= 5u + 20 - 9u}\\\mathsf{= (5u - 9u) + 20}\\\mathsf{= 5u - 9u + 20}\\\mathsf{= -4u + 20}[/tex]
[tex]\huge\text{Therefore, your answer should be:}[/tex]
[tex]\huge\boxed{\frak{-4u + 20}}\huge\checkmark[/tex]
[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]