Pre-Algebra Examples

$x^{2} - {1.3}^{2}$

Step 1

Since both terms are perfect squares, factor using the difference of squares formula, $a^{2} - b^{2} = (a + b) (a - b)$ where $a = x$ and $b = 1.3$ .

$(x + 1.3) (x - 1.3)$