SOLUTION: sqrt(5-x)=x+7

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Question 346529: sqrt(5-x)=x+7
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%285-x%29=x%2B7
Square both sides.
5-x=%28x%2B7%29%5E2
5-x=x%5E2%2B14x%2B49
x%5E2%2B15x%2B44=0
%28x%2B4%29%28x%2B11%29=0%7D%7D%0D%0ATwo+solutions%3A%0D%0A%7B%7B%7Bx%2B4=0
highlight%28x=-4%29
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x%2B11=0
highlight%28x=-11%29
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As a check, verify the solution by putting them into the original formula and checking that they solve the equation.