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September 1, 2014

September 1, 2014

Posted by **Angie** on Thursday, May 21, 2009 at 9:31pm.

- Math -
**Reiny**, Thursday, May 21, 2009 at 11:35pmyes

let f(w) = -w^3 + 2w - 1

= -(w^3 - 2w + 1)

f(1) = -(1-2+1) = 0

so w-1 is a factor

using synthetic division I go

-(w^3 - 2w + 1)

= -(w-1)(w^2+w-1)

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