3-2√10 / 2+√10

I need to write the expression in simplified radical form.  Can you please give detailed instructions as I will have several like this.
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1 Answer

me hope yu realize wot yu rote is

3 -(2root(10)/2) +root(10)

=3- root(10) +root(10)

=3

####### me suspekt yu thot it shood be sumthun like

[3-2root(10)] / [2+root(10)]

basik wae...multipli top & bottom bi [2-root(10)]

bottom become...(4 -10)=-6
by

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