Mathematics
Difference of Two Squares
Factorize a difference of two squares.
a² - b² = (a - b)(a + b)
Formula Explanation
The identity expresses the difference between two squares as a product of two factors.
Variables Explained
a and b = Algebraic expressions.
Solved Example
Factorize x² - 49.
x² - 49 = (x - 7)(x + 7).