SOLUTION: Need help solving these two problems; . Simplify: [81x8y12z20] . Perform the indicated operations: 3√[48] + 7√[12] –√[75]

Algebra ->  Radicals -> SOLUTION: Need help solving these two problems; . Simplify: [81x8y12z20] . Perform the indicated operations: 3√[48] + 7√[12] –√[75]       Log On


   

Question 71298: Need help solving these two problems;
. Simplify:
[81x8y12z20]
. Perform the indicated operations:
3√[48] + 7√[12] –√[75]

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
(9x^4y^6z^10)^2
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3sqrt48+7sqrt12-sqrt75
3*4sqrt3+7*2sqrt3-5sqrt3
(12+14-5)sqrt3
21sqrt3