SOLUTION: Factor completely. 45^2 - 80y^2

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Question 109257: Factor completely.
45^2 - 80y^2

Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
Notice how each term in the expression 45x%5E2+-+80x+ has a common factor of 5x.
We can simply factor out an 5x like this:

5x(9x16)