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22 January, 14:31

I need the quadratic formula.

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Answers (1)
  1. 22 January, 15:48
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    ax²+bx+c=0

    4a²x²+4abx+4ac=0

    4a²x²+4abx=-4ac

    4a²x²+4abx+b²=b²-4ac

    (2ax+b) ²=b²-4ac
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