homeworkhelp176 homeworkhelp176

23-05-2020
Mathematics

contestada

Solve by completing the square

3x^2-7x-1

Respuesta :

ranau1199 ranau1199

23-05-2020

Answer:

[tex]x=\frac{7+\sqrt{61}}{6},\:x=\frac{7-\sqrt{61}}{6}[/tex]

Step-by-step explanation:

[tex]a=3,\:b=-7,\:c=-1:\quad x_{1,\:2}=\frac{-\left(-7\right)\pm \sqrt{\left(-7\right)^2-4\cdot \:3\left(-1\right)}}{2\cdot \:3}[/tex]

[tex]x=\frac{7+\sqrt{61}}{6},\:x=\frac{7-\sqrt{61}}{6}[/tex]

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