SOLUTION: Can you help me figure out this problem showing all steps. Thank you :)
3 square root 20 + 5 square root 45 + square root 75
answer choices:
a. 21 square root 5 + 5 square r
Algebra ->
Radicals
-> SOLUTION: Can you help me figure out this problem showing all steps. Thank you :)
3 square root 20 + 5 square root 45 + square root 75
answer choices:
a. 21 square root 5 + 5 square r
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Question 91330: Can you help me figure out this problem showing all steps. Thank you :)
3 square root 20 + 5 square root 45 + square root 75
answer choices:
a. 21 square root 5 + 5 square root 3
b. 26 square root 3
c. 21 square root 2 + 5 square root 3 Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! 3 square root 20 + 5 square root 45 + square root 75
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Rule: To simplify radical break the radicand into two factors, one of which
is the highest perfect square dividing the radicand.
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Your Problem:
3sqrt(4*5) + 5sqrt(9*5)+sqrt(25*3)
=3*2sqrt5 + 5*3sqrt5 + 5 sqrt3
=6sqrt5 + 15 sqrt5 + 5sqrt3
=21sqrt5 + 5sqrt3
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Cheers,
Stan H.
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