MathFactoring
posted by Greg .
Hey I need help factoring 5x^4180x^2. I'm used to factoring with three numbers, and not two. How would you do just two like this? Thanks

first of all I see a common factor of 5x^2
so
5x^4180x^2
= 5x^2(x^2  36)
Now isn't that a difference of squares???