simplify

**andyboy179** · February 5th 2010, 11:13 AM

hi i need to simplify this $simplify-3.jpg$ but i don't know how to, can someone explain how to please?!

**felper** · February 5th 2010, 11:24 AM

$\sqrt{75}=\sqrt{3\cdot25}=5\sqrt{3}$

$\sqrt{27}=\sqrt{3\cdot 9}=3\sqrt{3}$

Then:

$\sqrt{75}+\sqrt{27}=5\sqrt{3}+3\sqrt{3}=8\sqrt{3}$

**e^(i*pi)** · February 5th 2010, 11:27 AM

Originally Posted by felper

$\sqrt{75}=\sqrt{3\cdot25}=5\sqrt{3}$

$\sqrt{27}=\sqrt{3\cdot 9}=3\sqrt{3}$

Then:

$\sqrt{75}+\sqrt{25}=5\sqrt{3}+3\sqrt{3}=8\sqrt{3}$

Interesting typo in your last line

**andyboy179** · February 5th 2010, 11:28 AM

Originally Posted by e^(i*pi)

Interesting typo in your last line

?

**felper** · February 5th 2010, 11:31 AM

Originally Posted by e^(i*pi)

Interesting typo in your last line

Oh, sorry,

now it is correct (i think)

Thread: simplify