Respuesta :

Answer:

6t+8-8a

Step-by-step explanation:

1st distribute parentheses:  (-2)(-3t)+(-2)(-4)+(-2)*4a

2nd  Apply minus-plus rules: 2*3t+2*4-2*4a

3rd Simplify: -2(-3t-4+4a)=6t+8-8a

Hope I helped :)