SOLUTION: Please solve: sqrt(x)=-2 and sqrt(x)=2
Is 4 a correct answer?
Since 2*2=4 and also (-2)*(-2)=4
Algebra.Com
Question 487770: Please solve: sqrt(x)=-2 and sqrt(x)=2
Is 4 a correct answer?
Since 2*2=4 and also (-2)*(-2)=4
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Square both sides:
John

My calculator said it, I believe it, that settles it
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