SOLUTION: Good evening can you please help me with these problems? Simplify: √[81x^12y^8z^10] Perform the indicated operations: 2√[48] + 7√[12] –√[27]

Algebra ->  Radicals -> SOLUTION: Good evening can you please help me with these problems? Simplify: √[81x^12y^8z^10] Perform the indicated operations: 2√[48] + 7√[12] –√[27]       Log On


   



Question 89023: Good evening can you please help me with these problems?
Simplify:
√[81x^12y^8z^10]
Perform the indicated operations:
2√[48] + 7√[12] –√[27]
Rationalize the denominator:
2____
√[3] + √[2]
I apologize for sending so many but these are the ones that I do not understand.
Thank you so much, I really appreciate your help.
Chocolatechrrys

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
to simplify, you just extract any whole square roots sqrt%2881x%5E12y%5E8z%5E10%29=9x%5E6y%5E4z%5E5

similarly,

to rationalize the denominator, you multiply by the conjugate