Simplify 6t^2-5.4-3.5t+2.5t^2+3t

$6 t^{2} - 5.4 - 3.5 t + 2.5 t^{2} + 3 t$

Step 1

Add $6 t^{2}$ and $2.5 t^{2}$ .

$8.5 t^{2} - 5.4 - 3.5 t + 3 t$

Step 2

Add $- 3.5 t$ and $3 t$ .

$8.5 t^{2} - 5.4 - 0.5 t$

Step 3

Move $- 5.4$ .

$8.5 t^{2} - 0.5 t - 5.4$