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October 25, 2014

October 25, 2014

Posted by **Angel** on Thursday, June 9, 2011 at 9:13pm.

solve by completing the square

- alegbra/trig -
**bobpursley**, Thursday, June 9, 2011 at 10:17pmx^2+2x+1=16+1

(x+1)^2=16

take the sqrt each side

x+1=+-4

x=-5, 3

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