x2+18x+14=2
pq formel
\(x^2+18x+14=2\) [-2
\(x^2+18x+12=0\)
. p q
\(x=-\frac{p}{2}\pm\sqrt{(\frac{p}{2})^2-q}\)
\(x=-\frac{18}{2}\pm\sqrt{(\frac{18}{2})^2-12}\)
\(x=-9\pm\sqrt{9^2-12}\)
\(x=-9\pm\sqrt{69}\)
\(x_1=-0,693376\)
\(x_2=-17,306624\)
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