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Mathematics 8 Online
OpenStudy (anonymous):

sqrt2x^7sqrt6x

OpenStudy (anonymous):

??

OpenStudy (anonymous):

make sure to add parentheses around anything that is in a root please. ;)

OpenStudy (anonymous):

o ok

OpenStudy (anonymous):

It's good that you are doing a bunch of these. You really need to learn the rules of powers and roots and everything is much easier.

OpenStudy (anonymous):

like....(2x)^7 is totally different than 2x^7

OpenStudy (anonymous):

\[\sqrt{2x^7* \sqrt{6x}}\]

OpenStudy (anonymous):

I am a bit lost one what the Prob is?

OpenStudy (anonymous):

sorry...yes once I have it all under my belt, I'll be fine but I just can't seem to grasp the concepts right

OpenStudy (anonymous):

you'll get it if you stick with it... that s for sure.

OpenStudy (anonymous):

\[\sqrt{2x^7}* \sqrt{6x}\]

OpenStudy (anonymous):

I'm hanging in there...just gets so frustrating! :(

OpenStudy (anonymous):

I know what your talking about lol

OpenStudy (anonymous):

u all are answering these like experts! wish I could get it back like that

OpenStudy (anonymous):

Ok... cool... in that case you can bring the roots together for multiplication.. so .... 2*6*x*x^7 can all go under one radical...

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

\[\sqrt{12x ^{8}}\]

OpenStudy (anonymous):

yea, like nancy typed...

OpenStudy (anonymous):

can this be simplified to 2x^4sqrt3?

OpenStudy (anonymous):

\[2x ^{4}\sqrt{3}\]

OpenStudy (anonymous):

there it is

OpenStudy (anonymous):

YAAYYY!!! :)

OpenStudy (anonymous):

do you see how you can take "pairs" out in a sense?

OpenStudy (anonymous):

yes I can but I'm afraid, it gets much more difficult than this :(

OpenStudy (anonymous):

like.... root(2*2*2)... you can take a pair out as one... so it's 2root(2)

OpenStudy (anonymous):

yes i got that downpacked, I think lol

OpenStudy (anonymous):

ok and that would be the sqrt 8 right?

OpenStudy (anonymous):

or cube rt?

OpenStudy (anonymous):

\[\sqrt[3]{270x}-\sqrt[3]{10x^4}\]

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