If $$ a = 7m $$ and $$ b = 2 $$ , what is the simplified for...

Question Analysis
This question tests the student's ability to apply the difference of squares formula using given values for and .

Key Concept Explanation
The difference of squares formula states that . This formula is used to simplify expressions and solve equations.

Step-by-step Solution
1. Substitute the given values: and .
2. Apply the difference of squares formula: