SOLUTION: What is {{{ (x+9)^2 =18 }}}

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Question 589593: What is +%28x%2B9%29%5E2+=18+
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
(x+9)^2 =18
x+9=+-sqrt(18) Take sqrt of each side.
...=+-sqrt(9*2)
...=+-3sqrt(2)
x=-9+3sqrt(2), x=-9-3sqrt(2)
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Ed