SOLUTION: -4sqrt5(1-2sqrt5+sqrt15) I hope that makes sense, everytime I wrote sqrt I meant the square root of...

Algebra ->  Radicals -> SOLUTION: -4sqrt5(1-2sqrt5+sqrt15) I hope that makes sense, everytime I wrote sqrt I meant the square root of...      Log On


   

Question 200110: -4sqrt5(1-2sqrt5+sqrt15)
I hope that makes sense, everytime I wrote sqrt I meant the square root of...
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
-4sqrt5(1-2sqrt5+sqrt15)
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= -4sqrt(5) + 8*sqrt(25) - 4sqrt(75)
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= -4sqrt(5) + 8*5 - 4*5sqrt(3)
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= -4sqrt(5) + 40 - 20sqrt(3)
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Cheers,
Stan H.