allie_bear22
create a radical expression with a square root denominator.



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Luigi0210
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and to simplify it we have to multiply by the conjugate..

Luigi0210
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multiply top and bottom by \[\sqrt{x}+2\]

Luigi0210
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nope

Luigi0210
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Gottcha

Luigi0210
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_

Luigi0210
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dw:1369765533412:dw
Ha, I hope so.

Luigi0210
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dw:1369765590226:dw

Luigi0210
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It better be :l

Luigi0210
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\[\frac{ x }{ \sqrt{7} }=\frac{ x \sqrt{7} }{ 7 }\]
Like that?

allie_bear22
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sqrt 32 x^7

Luigi0210
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well it's 4rad2x^7\[4\sqrt{2}x^7\]

allie_bear22
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she said its right but we can simplfy the 7

Luigi0210
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I don't see how..

allie_bear22
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i asked her how ill see what she says

allie_bear22
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im not sure how either maybe if we times it by 2 or something

Luigi0210
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Is the x^7 under the square root too?

allie_bear22
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its not a fraction