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April 18, 2014

April 18, 2014

Posted by **Michelle** on Thursday, January 13, 2011 at 6:03pm.

- math -
**helper**, Thursday, January 13, 2011 at 6:10pmcheck you problem, I think you typed it here wrong

what is the exponent, -8 ?

- math -
**bobpursley**, Thursday, January 13, 2011 at 6:17pmdivide each side by -4

multipy both sides by x^8

1=-22 *x^8

taking the 8th root of each side:

1=(-22)^1/8 * x

x= [1/(-22)^1/8 ]

x=0.627787278 - 0.260038005 i

I am wondering if you teacher meant to give you a complex solution.

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