# simplify

• February 5th 2010, 12:13 PM
andyboy179
simplify
hi i need to simplify this Attachment 15247 but i don't know how to, can someone explain how to please?!
• February 5th 2010, 12:24 PM
felper
$\sqrt{75}=\sqrt{3\cdot25}=5\sqrt{3}$

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

Then:

$\sqrt{75}+\sqrt{27}=5\sqrt{3}+3\sqrt{3}=8\sqrt{3}$
• February 5th 2010, 12:27 PM
e^(i*pi)
Quote:

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 (Wink)
• February 5th 2010, 12:28 PM
andyboy179
Quote:

Originally Posted by e^(i*pi)
Interesting typo in your last line (Wink)

?
• February 5th 2010, 12:31 PM
felper
Quote:

Originally Posted by e^(i*pi)
Interesting typo in your last line (Wink)

Oh, sorry,(Headbang) now it is correct (i think)