# simplify

• Jan 10th 2012, 01:52 PM
andyboy179
simplify
hi,

i need to know how to simplify this:

2squareroot3 +3squareroot27? (sorry i dont know have to make it come up as the square root sign)

im not too sure how i would complete this question so could someone please provide some help?

thanks!
• Jan 10th 2012, 02:08 PM
Plato
Re: simplify
Quote:

Originally Posted by andyboy179
2squareroot3 +3squareroot27? (sorry i dont know have to make it come up as the square root sign)

I think that I have shown you how to do TaTeX.
[TEX]2\sqrt{3}+3\sqrt{27}[/TEX] gives $\displaystyle 2\sqrt{3}+3\sqrt{27}$.

Note that $\displaystyle 3\sqrt{27}=9\sqrt{3}$ because $\displaystyle \sqrt{27}=\sqrt{9\cdot 3}$
• Jan 10th 2012, 02:12 PM
andyboy179
Re: simplify
Quote:

Originally Posted by Plato
I think that I have shown you how to do TaTeX.
[TEX]2\sqrt{3}+3\sqrt{27}[/TEX] gives $\displaystyle 2\sqrt{3}+3\sqrt{27}$.

Note that $\displaystyle 3\sqrt{27}=9\sqrt{3}$ because $\displaystyle \sqrt{27}=\sqrt{9\cdot 3}$

thanks for answering, so would it be $\displaystyle 2\sqrt{3}+9\sqrt{3}$ ??
• Jan 10th 2012, 02:34 PM
Plato
Re: simplify
Quote:

Originally Posted by andyboy179
thanks for answering, so would it be $\displaystyle 2\sqrt{3}+9\sqrt{3}$ ??

If you have two apple and nine apples how many apples do you have?
• Jan 10th 2012, 02:39 PM
andyboy179
Re: simplify
oh so $\displaystyle 11\sqrt{3}$

thank you very much!