Respuesta:
6
Explicación paso a paso:
3x^2-30x+72=0
[tex]\frac{-\left(-30\right)\pm \sqrt{\left(-30\right)^2-4\cdot \:3\cdot \:72}}{2\cdot \:3}\\\\\frac{-\left(-30\right)\pm \:6}{2\cdot \:3}\\\\\frac{-\left(-30\right)+6}{2\cdot \:3}\\\\x=6[/tex]
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Respuesta:
6
Explicación paso a paso:
3x^2-30x+72=0
[tex]\frac{-\left(-30\right)\pm \sqrt{\left(-30\right)^2-4\cdot \:3\cdot \:72}}{2\cdot \:3}\\\\\frac{-\left(-30\right)\pm \:6}{2\cdot \:3}\\\\\frac{-\left(-30\right)+6}{2\cdot \:3}\\\\x=6[/tex]