SOLUTION: solve and show work PLS r=bą sqrt(b^2-4c)/2a

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Question 1016421: solve and show work PLS
r=bą sqrt(b^2-4c)/2a
Found 2 solutions by macston, fractalier:
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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Exactly what do you want to solve for?
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A single equation cannot be solved for 4 variables.
(You cannot get a value result for the problem as given.)
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Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
This is the incomplete solution to a quadratic equation in r.
Please restate and someone here will help you.