SOLUTION: \sqrt{x}+ 4 = 2\sqrt{x+5} solve and check

Question 164396: \sqrt{x}+ 4 = 2\sqrt{x+5} solve and check
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

Look similar to a quadratic equation, let's use a substitution.
Let .

This quadratic equation can be factored.

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First solution

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Second solution

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Let's check the answers.
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First solution: x=4/9

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Second solution: x=4

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Both answers have been checked.
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