vivalakoda
Radicals problem?
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vivalakoda
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\[\sqrt{5}(10-4\sqrt{2})\]
vivalakoda
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Simplify.
Living_dreams
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can u use calculator ?
vivalakoda
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No
CliffSedge
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Doesn't seem to be much to do besides distributing.
Living_dreams
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[2(5\sqrt{5}-2\sqrt{10})\]
joodster
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|dw:1353339739638:dw|
Just use simple distribution.
vivalakoda
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That's what I originally thought as well, but my answer choices are:
a. 14
b. 15√2
c. 5√2 - 4√10
d. None of the above
joodster
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Then it's d. None of the above because I can't think how else the problem can be simplified lol. The only other way the answer can be rewritten is\[-2\sqrt{5}(2\sqrt{2}-5)\]
vivalakoda
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Meh, okay. Thank-you!
joodster
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You're welcome! (: