Evaluating an expression with two variables ex 2, (3l^2 - p); l = 2; p = 6

The video tutorial explains how to solve a mathematical expression by substituting given values for variables and applying the order of operations. The instructor emphasizes the importance of using parentheses correctly to avoid common mistakes. The process involves squaring a number, multiplying, and subtracting, leading to the final solution.

How do you calculate 3 * 2 squared, and what is the result?

What is the final result of the expression 3 * 2 squared - 6?