SOLUTION: Factor as the difference of two squares. Be sure to factor completely. (625x^4 - 81)

Algebra ->  Square-cubic-other-roots -> SOLUTION: Factor as the difference of two squares. Be sure to factor completely. (625x^4 - 81)       Log On


   

Question 162491: Factor as the difference of two squares. Be sure to factor completely.
(625x^4 - 81)
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
625x^4 - 81
(25x^+9)(25x^2-9)
(25x^2+9)(5x+3)(5x-3)