# How do you find the gcf of x^2 - 4x?

Jul 12, 2018

See a solution process below:

#### Explanation:

Completely factor each term:

${x}^{2} = x \times x$

$4 x = 2 \times 2 \times x$

Now identify the common factors and determine the GCF:

${x}^{2} = \textcolor{red}{x} \times x$

$4 x = 2 \times 2 \times \textcolor{red}{x}$

Therefore:

$\text{GCF} = \textcolor{red}{x}$