SOLUTION: Square root of x2 -15 minus square root of x+5=0
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Question 107246: Square root of x2 -15 minus square root of x+5=0
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
adding sqrt(x+5) gives sqrt(x^2-15)=sqrt(x+5) ... squaring gives x^2-15=x+5 ... x^2-x-20=0
(x-5)(x+4)=0
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