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September 20, 2014

September 20, 2014

Posted by **Ria** on Wednesday, May 30, 2012 at 8:41pm.

a)-1,2+sqt3,2-sqt3

b)2,5,1

sqt= square root

- Math--polynomial equation -
**Damon**, Wednesday, May 30, 2012 at 9:27pm(x+1)(x-2-sqrt 3)(x-2+sqrt 3)=0

(x+1)( x^2 - 4 x + 1 )=0

x^3-3x^2-3x+1=0

(x-2)(x-5)(x-1) = 0

you multiply this time

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