Question

Simplify the expression. 1.7m2 + 6.5n – 4n + 2.5m2 – n

Answer 1

Combine the like terms 

1.7m^2 + 2.5m^2 + 6.5n - 4n - n

4.2 m^2 + 1.5 n

Answer 2

4.2 m^2 + 1.5 n

hope this helps