Respuesta :
4n²+7n+5n²+9n+8
= (4n^2+ 5n^2)+ (7n+ 9n)+ 8 (combine like terms)
= 9n^2+ 16n+ 8
The final answer is 9n^2+ 16n+ 8.
= (4n^2+ 5n^2)+ (7n+ 9n)+ 8 (combine like terms)
= 9n^2+ 16n+ 8
The final answer is 9n^2+ 16n+ 8.