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January 29, 2015

January 29, 2015

Posted by **Micah** on Monday, February 25, 2008 at 7:43pm.

SqRt(a+8)^2=

8a^2?

- Algebra -
**drwls**, Monday, February 25, 2008 at 8:05pmsqrt[(a+8)^2] = a+8 or -a-8

- Algebra -
**Christiaan**, Monday, February 25, 2008 at 8:08pmNo, when we take the sqrt of a squared term, we get that term, or its negative.

So, sqrt(x)=x or sqrt(x)=-x

So for this question we get that:

sqrt((a+8))=a+8 or sqrt((a+8))=-a-8

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