SOLUTION: please help me solve this eqaution : {{{5 sqrt( 5 ) - 3 sqrt ( 20 ) }}}

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Question 453746: please help me solve this eqaution :
5+sqrt%28+5+%29+-+3+sqrt+%28+20+%29+
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
5 sqrt( 5 ) - 3 sqrt ( 20 )
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= 5sqrt(5)-3*2sqrt(5)
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= 5sqrt(5)-6sqrt(5)
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= -sqrt(5)
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Cheers,
Stan H.