Question 75918
Factor:
{{{x^3-125}}}  Do you see this as the difference of two cubes?
{{{(x)^3-(5)^3}}}
The difference of two cubes can be factored thus:
{{{A^3-B^3 = (A-B)(A^2+AB+B^2)}}} Applying this to your problem, where A = x and b = 5, we get:
{{{(x-5)(x^2+5x+25)}}}