SOLUTION: please help me solve this problem it says to simplify a. 3 radical 54 and b says radical 25x^2y^3

SOLUTION: please help me solve this problem it says to simplify a. 3 radical 54 and b says radical 25x^2y^3

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Question 115579: please help me solve this problem it says to simplify a. 3 radical 54 and b says radical 25x^2y^3
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
3 radical 54 and b says radical 25x^2y^3
:

Note that you can factor 54 inside the radical

note that 9 is a perfect square so we can extract the square root of 9:

Which is:

:
:

:
You should immediately recognize 25 as a perfect square so we have:

And of course x^2 is a perfect square so we have:

we know that:

therefore:

:
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