DRY quadratic formula example
katzoo committed
Apr 29, 2015 at 02:50 UTC
065f13a96833520185924edc92037e0820d5a017
1 file changed
+4
-2
examples/quadratic/example.js
+4
-2
@@ -23,8 +23,10 @@ var QuadraticCalculator = React.createClass({
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var a = this.state.a;
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var b = this.state.b;
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var c = this.state.c;
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- var x1 = (-b + Math.sqrt(Math.pow(b, 2) - 4 * a * c)) / (2 * a);
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- var x2 = (-b - Math.sqrt(Math.pow(b, 2) - 4 * a * c)) / (2 * a);
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+ var root = Math.sqrt(Math.pow(b, 2) - 4 * a * c);
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+ var denominator = 2 * a;
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+ var x1 = (-b + root) / denominator;
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+ var x2 = (-b - root) / denominator;
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return (
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<div>
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<strong>