SOLUTION: factor completely: 256x^2-81y^2

Question 670049: factor completely: 256x^2-81y^2
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
this is a difference of 2 squares.
Terms are 16x and 9y
See this for the formula
http://www.purplemath.com/modules/specfact.htm
Here is the solution --> http://www.wolframalpha.com/input/?i=256x^2-81y^2
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