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OpenStudy (anonymous):
Simplify 4 Sqrt 2 + 7 Sqrt 2 - 3 Sqrt 2
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OpenStudy (anonymous):
@perl
OpenStudy (brimblings):
8sqrt2
OpenStudy (anonymous):
Thank you!
OpenStudy (cwrw238):
these are quite easy - just treat the radical , as say, x so we have 4x + 7x - 3x = ?
OpenStudy (cwrw238):
for x substitute sqrt2
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OpenStudy (anonymous):
Ok
OpenStudy (anonymous):
Can i ask you another one
OpenStudy (anonymous):
never mind
OpenStudy (brimblings):
the method that @cwrw238 is fairly simple to understand - probably the simplest way of putting it, if you need any help please just ask :)
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