SOLUTION: 9x squareed -18x+81=0

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Question 309226: 9x squareed -18x+81=0
Answer by checkley77(12844) About Me  (Show Source):
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9x^2-18x+81=0
9(x^2-2x+9)=0
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x=(2+-sqrt[-2^2-4*1+9])/2*1
x=(2+-sqrt[4-36])/2
x=(2+-sqrt-32)/2
x=(2+--5.657i)/2
x=2/2+-5.657i/2
x=1+-2.828i ans.