SOLUTION: Use the "DIFFERENCE of SQUARES" rule to factor the following expression: 16x^4-121y^4 Tutors, I have no idea of where to start?

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Use the "DIFFERENCE of SQUARES" rule to factor the following expression: 16x^4-121y^4 Tutors, I have no idea of where to start?       Log On


   

Question 630741: Use the "DIFFERENCE of SQUARES" rule to factor the following expression:
16x^4-121y^4

Tutors, I have no idea of where to start?
Answer by reviewermath(1029) About Me  (Show Source):
You can put this solution on YOUR website!
The square root of the first term is 4x%5E2.
The square root of the second term is 11y%5E2.
Therefore, the factored form of 16x%5E4+-+121y%5E4 is highlight%28%284x%5E2+-+11y%5E2%29%284x%5E2+%2B+11y%5E2%29%29.