Question 209347: Subtract. Simplify by collecting like radical terms if possible.
4√20-2√5 Found 2 solutions by stanbon, checkley77:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Simplify by collecting like radical terms if possible.
4√20-2√5
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= 4*sqrt[4*5] - 2sqrt(5)
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= 4*2sqrt(5) - 2sqrt(5)
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= 8*sqrt(5) - 2*sqrt(5)
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= 6sqrt(5)
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Cheers,
Stan H.
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