SOLUTION: why i cannot simply the expression = square root of 4x^2 - 25y^2

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Question 464511: why i cannot simply the expression = square root of 4x^2 - 25y^2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
simply the expression = square root of 4x^2 - 25y^2
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sqrt[4x^2-25y^2]
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Factor:
= sqrt[(2x-5y)(2x+5y)]
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Cheers,
Stan H.