Question

Factorise the following.
$\frac{1}{16}{x}^2-\frac{1}{169}$.

Answer 1

$(\frac{x}{4}{)}^2-(\frac{1}{13}{)}^2$

$(\frac{x}{4}-\frac{1}{13})(\frac{x}{4}+\frac{1}{13})$