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October 30, 2014

October 30, 2014

Posted by **Becca** on Wednesday, October 3, 2007 at 11:12pm.

x^2-2x+1=7

x^2-2x+1-7=7-7

x^2-2x-6=0

here is where I run into an issue, I can not seem to fatctor it down.

- Algenra -
**Quidditch**, Wednesday, October 3, 2007 at 11:20pmThere are times where they do not factor nicely. A quick check is to calculate the sqrt(b^2 - (4*a*c)) part of the quadratic equation. Here it looks like that would be sqrt(28) or 2*sqrt(7). This pretty much says it is not easily factored by inspection. Use the complete quadratic formula for the answer.

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