SOLUTION: subtract simplify by collecting like radical terms if possible 5√45 - 5√15

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Question 519407: subtract simplify by collecting like radical terms if possible
5√45 - 5√15
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
simplify by collecting like radical terms if possible
5√45 - 5√15
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= 5*sqrt[9*5] - 5*sqrt(15)
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= 5*3*sqrt(5) - 5*sqrt(15)
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= 5[3sqrt(5) - sqrt(15)]
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Cheers,
Stan H.
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