SOLUTION: What is the answer to 4 square root x + 5 = x
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Question 295477: What is the answer to 4 square root x + 5 = x
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
4sqrt(x+5)=x
sqrt(x+5)=x/4
x+5=x^2/16 square each side
16x+80=x^2
x^2-16x-80=0
(x-20)(x+4)=0
x=20 is the only answer.
.
Ed
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