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

Question

6916 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-07-12T09:57:00

See a solution process below:

Completely factor each term:

#x^2 = x xx x#

#4x = 2 xx 2 xx x#

Now identify the common factors and determine the GCF:

#x^2 = color(red)(x) xx x#

#4x = 2 xx 2 xx color(red)(x)#

Therefore:

#"GCF" = color(red)(x)#