Answer:
12
Explanation:
Following the order of operations.
Evaluate exponents and multiplication before adding/ subtracting
Given
3 × 3 + 3² - 6 ← evaluate the exponent
= 3 × 3 + 9 - 6 ← evaluate multiplication
= 9 + 9 - 6 ← evaluate from left to right
= 18 - 6
= 12