You can put this solution on YOUR website!
When factoring an expression, always start with the Greatest Common Factor (GCF). The GCF here is 5x:
After the GCF you try any of the other factoring techniques:
Factoring by patterns
Trinomial factoring
Factoring by grouping
Factoring by trial and error of the possible rational roots.
In this problem, however, none of these other techniques work on . So we are done factoring!