Posted by **Kim** on Thursday, May 28, 2009 at 8:36pm.

How do I transform this into simple radical form... I have no idea how to do this could you please tell me the logic behind how you do this and step by step thanks

(5^(1/2)-3^(1/2))^2

thanks again

Also can you tell me how to transform this one into radical form also

18^(1/2)-3(50)^(1/2)+5(80)^(1/2)-2(125)^(1/2)

- Math -
**bobpursley**, Thursday, May 28, 2009 at 9:11pm
on the first, FOIL it.

on the second

18=9*2

50=25*2

80=16*5

125=25*5

Notice I factored out the squares, this will leave you with two terms, sqrt2, and sqrt5 terms.

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