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quadratic equation

noun, Mathematics
1.
an equation containing a single variable of degree 2. Its general form is ax 2 + bx + c = 0, where x is the variable and a, b, and c are constants (a ≠ 0).
Origin
1680-1690
1680-90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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