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Solve 15x^3 + 14x^2 - 3x - 2 = 0 given that -1 is a zero.

- Translucent
**Posts:**2**Joined:**Mon Jan 06, 2014 1:53 am

Translucent wrote:Solve 15x^3 + 14x^2 - 3x - 2 = 0 given that -1 is a zero.

use like they show here: http://www.purplemath.com/modules/solvpoly.htm

start with the zero they give you: do the synthetic division with x=-1

then do the quadratic formula for the other two zeros

- theshadow
**Posts:**79**Joined:**Sun Feb 22, 2009 11:12 pm

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