SOLUTION: (3r)^2 +2 = (?+?)(?+?)

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Question 119353:
(3r)^2 +2 = (?+?)(?+?)
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(3R)^2+2
9R^2+2
USING THE QUADRATIC EQUATION:x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ WE GET:
R=(-0+-SQRT[0^2-4*9*2])/2*9
R=(+-SQRT[-72])/18
R=(+-8.485i)/18
R=8.485i/18
R=.47i ANSWER.
R=-.47i ANSWER.