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I got marked off on this question on my math test for not simplifying the radical in my final step of the problem. So how would I simplify this more?
x=2+sqrt8
 one year ago
 one year ago
I got marked off on this question on my math test for not simplifying the radical in my final step of the problem. So how would I simplify this more? x=2+sqrt8
 one year ago
 one year ago

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cwrw238Best ResponseYou've already chosen the best response.1
sqrt8 = sqrt4*sqrt2 = 2 sqrt2 sqrt 8 = 2i sqrt2 2+sqrt8 = 2 +/ 2i sqrt2 you can also factor this ti get 2(1 +/ sqrt2)
 one year ago

cwrw238Best ResponseYou've already chosen the best response.1
* thats 2(1 +/ i sqrt2)
 one year ago

kirk.freedmanBest ResponseYou've already chosen the best response.0
Ohhh I see, thanks!
 one year ago
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