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How do I solve the quadratic equation by completing the square? -3x^2 + 9x = 1
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I have the solution but that isn't one of my choices. x = 1/6(9 + sqrt69)
Well first, in completing the square, we need to simplify the equation as much as possible. Let's factor out -3 from it. -3(x^2 - 3x) = 1
Okay.
And set to 0. Where, -3(x^2 - 3x - 1) = 0
Okay, whats next?
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im wondering if the end result will start with -3 or a fraction
Actually I apologize very sincerely. This is how you do it. |dw:1415242479546:dw|
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