Mathematician Finds Easier Way to Solve Quadratic Equations
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04-27-2024, 09:02 PM
Post: #17
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RE: Mathematician Finds Easier Way to Solve Quadratic Equations
(04-27-2024 08:21 PM)Rolief_Rechner Wrote: The formula is derived by completing the square. This is where it get wrong. (x + y)^2 = x^2 + 2 xy + y^2 a*x^2 + b*x + c = 0 x^2 + (b/a)*x + (c/a) = 0 x^2 + (b/a)*x + (b/(2a))^2 = (b/(2a))^2 - (c/a) (x + b/(2a))^2 = (b/(2a))^2 - (c/a) x = -b/(2a) ± √((b/(2a))^2 - (c/a)) |
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