Simplify (a + b)² - (a - b)²

Published on October 12, 2024

Algebra

Simplify the algebraic expression (a + b)² - (a - b)² using the difference of squares pattern. The solution reveals a simplified expression of 4ab.

Question

simplify it

Answer

Let’s simplify the expression step-by-step:
  1. Expand the squares:
  2. Substitute the expanded forms back into the original expression:
  3. Distribute the negative sign:
  4. Combine like terms:
Therefore, the simplified expression is:
$ (a + b)^2 - (a - b)^2 = \boxed{4ab} $