Answer:
30
Step-by-step explanation:
Given the following mathematical expression;
6² + x - x²
When x = 3
Thus, we would substitute the value of "x" into the expression;
36 + 3 - (3)²
Applying BODMAS (Bracket of Division, Multiplication, Addition and Subtraction).
36 + 3 - 9
39 - 9
30.
