Formerly known as Netfinity servers, xSeries are distinguished by being based off of Intel CPUs; IBM positions them as their "low end" offering.
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... we get <math>x=\frac{-b}{2a}\pm\frac{\sqrt{b^2-4ac}}{2a}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}.</math> Generalizations The formula and its proof remain ...