SOLUTION: How to solve u2=49 where U is a real number

SOLUTION: How to solve u2=49 where U is a real number

Algebra.Com

Question 1013706: How to solve u2=49 where U is a real number
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
If you mean u^2 = 49, we take the square root of each side and get
u = +/-7 (plus or minus seven)
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