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January 26, 2015

January 26, 2015

Posted by **Rachal** on Friday, February 4, 2011 at 6:38pm.

- Algebra -
**helper**, Friday, February 4, 2011 at 6:50pmWhat is the question?

- Algebra -
**Damon**, Friday, February 4, 2011 at 6:51pmx*x*(x-3) = 128

x^3 - 3 x^2 = 128

x^3 - 3 x^2 - 128 = 0

try x = 6

216 - 108 - 128 = -20

try x = 6.5

19.875

hmm try 6.25

-1.05

so try 6.20

-4.99

try 6.3

2.98

try 6.26

-.248

try 6.27

.553

so x = about 6.26

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