Answer:
-45
Step-by-step explanation: Plug the numbers of a and b into the equation.
Answer:
-45
Step-by-step explanation:
ok so basically since a is 3 a2 will be 9 then you put back the plus sign then 3×a×b will be -18 then 6square will be 36.
=9+(-18)-36
= -9-36
=-45
