# simplifying by collecting like terms

• January 20th 2008, 06:40 AM
help_me
simplifying by collecting like terms
3w-8-2w-4wsquared-17
i dont get this how do u work out the 4wsquared bit? do u minus 17 from 8?
• January 20th 2008, 06:49 AM
janvdl
Quote:

Originally Posted by help_me
3w-8-2w-4wsquared-17
i dont get this how do u work out the 4wsquared bit? do u minus 17 from 8?

$3w - 8 - 2w - 4w^2 - 17$

Let's re-arrange first

$- 4w^2 + 3w- 2w - 17 - 8$

Now simplify.

$- 4w^2 + w - 25$

$-(4w^2 - w + 25)$

But this does not factorise nicely at all...