SOLUTION: how do you simply large radicals such as 75 or 120? and what about fraction radials?

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Question 774496: how do you simply large radicals such as 75 or 120? and what about fraction radials?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
how do you simplify large radicals such as 75 or 120?
sqrt%2875%29
factor 75 to reveal a perfect square
sqrt%2825%2A3%29
extract the square root of 25 and you have
5%2Asqrt%283%29, the simplified form
:
sqrt%28120%29
sqrt%284%2A30%29
2%2Asqrt%2830%29
:
:
what about fraction radicals?
an example: sqrt%2872%2F125%29
Factor the numerator and the denominator to reveal perfect squares
sqrt%28%2836%2A2%29%2F%2825%2A5%29%29
we can extract the square root of 36/25
6%2F5*sqrt%282%2F5%29
:
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