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

$1.7 m^{2} + 6.5 n - 4 n + 2.5 m^{2} - n$

Step 1

Add $1.7 m^{2}$ and $2.5 m^{2}$ .

$4.2 m^{2} + 6.5 n - 4 n - n$

Step 2

Subtract $4 n$ from $6.5 n$ .

$4.2 m^{2} + 2.5 n - n$

Step 3

Subtract $n$ from $2.5 n$ .

$4.2 m^{2} + 1.5 n$