SOLUTION: Factorise: 25^2-64y^2

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Question 243984: Factorise:
25^2-64y^2
Answer by mathitutor(25) About Me  (Show Source):
You can put this solution on YOUR website!
25^2-64y^2 = (5)^2 - (8y)^2 = (5+8y)(5-8y)