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Posted by **Paul** on Thursday, December 27, 2012 at 4:50pm.

Then write in interval noation.

Please can you show me step by step on how you got the answer. I have tries and I am very confused.

- calculus--please help!! -
**Damon**, Thursday, December 27, 2012 at 8:28pmfirst this software is very handy for polynomials and seeing their graphs:

http://mathportal.org/calculators/polynomials-solvers/polynomial-graphing-calculator.php

- calculus--please help!! -
**Damon**, Thursday, December 27, 2012 at 8:34pm(x+6)(x+6)(x-3)

so we have double zero at x = -6 (graph comes up from way low and bounces back down off the x axis)

Then it comes back up again and goes positive at x = 3

SO

x^3+9x^2 -108 </= 0 for

x<+3

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