[tex]1\cdot \:x^2-6x+8=0[/tex]
[tex]\mathrm{Simplificar}[/tex]
[tex]x^2-6x+8=0[/tex]
[tex]x_{1,\:2}=\frac{-\left(-6\right)\pm \sqrt{\left(-6\right)^2-4\cdot \:1\cdot \:8}}{2\cdot \:1}[/tex]
[tex]x_{1,\:2}=\frac{-\left(-6\right)\pm \:2}{2\cdot \:1}[/tex]
[tex]x_1=\frac{-\left(-6\right)+2}{2\cdot \:1},\:x_2=\frac{-\left(-6\right)-2}{2\cdot \:1}[/tex]
[tex]\mathrm{Las\:soluciones\:a\:la\:ecuación\:de\:segundo\:grado\:son:\:}[/tex]
[tex]x=4,\:x=2[/tex]
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La Fórmula General:
[tex]1\cdot \:x^2-6x+8=0[/tex]
[tex]\mathrm{Simplificar}[/tex]
[tex]x^2-6x+8=0[/tex]
[tex]x_{1,\:2}=\frac{-\left(-6\right)\pm \sqrt{\left(-6\right)^2-4\cdot \:1\cdot \:8}}{2\cdot \:1}[/tex]
[tex]x_{1,\:2}=\frac{-\left(-6\right)\pm \:2}{2\cdot \:1}[/tex]
[tex]x_1=\frac{-\left(-6\right)+2}{2\cdot \:1},\:x_2=\frac{-\left(-6\right)-2}{2\cdot \:1}[/tex]
[tex]\mathrm{Las\:soluciones\:a\:la\:ecuación\:de\:segundo\:grado\:son:\:}[/tex]
[tex]x=4,\:x=2[/tex]