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April 1, 2015

April 1, 2015

Posted by **brittney** on Thursday, January 10, 2013 at 9:32pm.

- Vista High school -
**Steve**, Thursday, January 10, 2013 at 11:48pmx(x-1)(x+1) < 0

The roots are -1,0,1

Since there are no repeated roots, the graph crosses the axis at each root.

So, y<0 for large x<0, so the intervals are

(oo,-1) < 0

(-1,0) > 0

(0,1) < 0

(1,oo) > 0

y<0 for x in (-oo,-1)U(0,1)

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