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Mathematics 21 Online
OpenStudy (anonymous):

√3(√6+√3)+(√8-5)? please and thank you!

OpenStudy (anonymous):

5 sqrt(2)-2 for the first, 43 for the second

OpenStudy (anonymous):

thats the answer?

OpenStudy (anonymous):

wait.. sorry it is 34 for the second one

OpenStudy (anonymous):

yes, the answer

OpenStudy (anonymous):

do you know the other one?

OpenStudy (anonymous):

5 sqrt(2)-2 is the answer for (√3(√6+√3)+(√8-5))

OpenStudy (anonymous):

can you explain?

OpenStudy (anonymous):

all you do is FOIL it

OpenStudy (anonymous):

(4+3√3)(9-2√3)

OpenStudy (anonymous):

do you know that?

OpenStudy (anonymous):

?

OpenStudy (anonymous):

(4+3√3)(9-2√3)

OpenStudy (anonymous):

Do you want the answer for that?

OpenStudy (anonymous):

please

OpenStudy (anonymous):

18+19 sqrt(3)

OpenStudy (anonymous):

can you help me with some others as if there anything i can do to repay you?

OpenStudy (anonymous):

There is no need to repay me, but i will give you a tool, one that will do all of your work, ok?

OpenStudy (anonymous):

all you have to do is put in the entire question and it will solve it http://www.wolframalpha.com

OpenStudy (anonymous):

great!

OpenStudy (anonymous):

and how exactly does this work?

OpenStudy (anonymous):

just cut and past your entire question such as "(4+3√3)(9-2√3)" into it, hi enter and get the answer

OpenStudy (anonymous):

wait

OpenStudy (anonymous):

can you help me with these little problems please?

OpenStudy (anonymous):

um, all you need to do is type your question in there and hit enter

OpenStudy (anonymous):

^9√x^7/^9√x^5

OpenStudy (anonymous):

that makes no sense, the /^9 part

OpenStudy (anonymous):

its divided

OpenStudy (anonymous):

but that "power" symbol, it should no be there... it makes no sense there

OpenStudy (anonymous):

wait let me take a screen shot of it

OpenStudy (anonymous):

\[\sqrt[9]{x^7}\div \sqrt[9]{x^5}\]

OpenStudy (anonymous):

thats one

OpenStudy (anonymous):

ahh, ok

OpenStudy (anonymous):

\[x{\div _{x}^{1/3}}^{4/5}\]

OpenStudy (anonymous):

x^4/5 divided by x^1/3

OpenStudy (anonymous):

do you know these?

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