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Mathematics
Grimes
Today, 17:48
How do I factor 25n^2 - 16?
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Elaine Walsh
Today, 19:05
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If you know the rule that x^2 - y = (x+y) (x-y), this will be easier.
First you want to square root the equation
Square Root of 25 = 5
Square Root of 16 = 4
Square root of n^2 = n
Then you put it together like this:
(5n+4) (5n-4)
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