Evaluate an expression with one variable ex7, 3(8(y - 1)^2 - 4); y = 2

The video tutorial explains how to solve a mathematical expression using the order of operations, specifically PEMDAS. It begins with an introduction to the concept, followed by identifying the problem and the variable involved. The instructor then demonstrates a step-by-step application of PEMDAS to solve the expression, ensuring each operation is performed in the correct order. The tutorial concludes with the final solution to the expression.

What new insight or understanding did you gain from this video?