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January 29, 2015

January 29, 2015

Posted by **ella** on Tuesday, February 8, 2011 at 6:14pm.

- algebra -
**Reiny**, Tuesday, February 8, 2011 at 6:17pmIf 4 is the only solution to a "quadratic", then 4 must appear as a double-root.

so the factored form must be

(x-4)(x-4) = 0

expand it and you have your equation.

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