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 :)
