56
1) Evaluating that expression, following the PEMDAS order, we have:
4 +9²÷3x 2-2 In this case, since no parentheses, let's prioritize the exponent.
4 +81÷3x 2-2 Now, Multiply and Divide it simultaneously
4 +27x2-2 Multiply it
4+54 -2 Add and subtract
4 +52
56
2) So the answer to this expression is 56