Do you guys know the answer to this

Answer:
-84
Step-by-step explanation:
i think this is right but i'm not sure
Answer:24
Step-by-step explanation:
okay so replace the a and b in the expression with 9 and -6
like this:
2/3a+b*2-ab------>(2/3x9)+(-6 squared)-(9x-6)
This gives you the answer 24
hope this helps :)