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{{Short description|Area of mathematics}} | {{Short description|Area of mathematics}} | ||
{{about||the kind of algebraic structure|Algebra over a field|other uses}} | {{about||the kind of algebraic structure|Algebra over a field|other uses}} | ||
[[File:Quadratic formula.svg|thumb|The [[quadratic formula]] expresses the solution of the equation {{math|1=''ax''<sup>2</sup> + ''bx'' + ''c'' = 0}}, where {{mvar|a}} is not zero, in terms of its coefficients {{math|''a'', ''b''}} and {{mvar|c}}.]] | [[File:Quadratic formula.svg|thumb|The [[quadratic formula]] expresses the solution of the equation {{math|1=''ax''<sup>2</sup> + ''bx'' + ''c'' = 0}}, where {{mvar|a}} is not zero, in terms of its coefficients {{math|''a'', ''b''}} and {{mvar|c}}.]] | ||