Can someone tell me if i have factorized correctly:

Equation is this:

First i completed the square:

Now i use the difference of two squares where

Therefore answer is:

P.S

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- Dec 3rd 2009, 10:06 PMPaymemoneyFactorisation
Can someone tell me if i have factorized correctly:

Equation is this:

First i completed the square:

Now i use the difference of two squares where

Therefore answer is:

P.S - Dec 3rd 2009, 10:52 PMBacterius
Use the \sqrt{number} command to make a square root :D

- Dec 3rd 2009, 11:56 PMPaymemoney
- Dec 4th 2009, 12:24 AMdedust
i got this

- Dec 4th 2009, 12:43 AMProve It
- Dec 4th 2009, 01:03 AMPaymemoney
^

i understand the first part, however i don't understand why is square rooted? - Dec 4th 2009, 01:07 AMProve It
- Dec 4th 2009, 01:16 AMPaymemoney