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Solve by completing the square. Your answers will involve a, b, or c.
x2+bx+c=0
 one year ago
 one year ago
Solve by completing the square. Your answers will involve a, b, or c. x2+bx+c=0
 one year ago
 one year ago

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terenzreignzBest ResponseYou've already chosen the best response.0
There is no a in this question. But that's a technicality, I guess... You know how to complete the square?
 one year ago

hartnnBest ResponseYou've already chosen the best response.0
or is the question, \(ax^2+bx+c=0\) ??
 one year ago

DirectrixBest ResponseYou've already chosen the best response.0
x^2 + bx +c = 0 x^2 + bx =  c x^2 + bx + b^2/4 = c + b^2/4 x^2 + bx + (b/2)^2 = 4c/4 + b^2/4 x^2 + bx + (b/2)^2= (b^2  4c) /4 (x + b/2) ^2 = (b^2  4c) /4 Take square roots of both sides. Solve for x. Don't forget the plus or minus.
 one year ago
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