SOLUTION: how do i find all real solutions? a^2-40=0

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Question 182860: how do i find all real solutions?
a^2-40=0
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
a^2-40=0
a^2=40
a=sqrt40
a=+/-6.32456 ans.