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January 28, 2015

January 28, 2015

Posted by **Shin** on Wednesday, May 22, 2013 at 6:19am.

- Math (Algebra) -
**Anonymous**, Wednesday, May 22, 2013 at 8:01am323

- Math (Algebra) -
**Steve**, Wednesday, May 22, 2013 at 10:53am(x-2)(x-5) = x^2-7x+10

we have 28, not 7, so scale up by 4:

(x-8)(x-20) = x^2-28x+160

That makes our cubic

x^2 + 160x + 323 = 0

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