Question

resolução de equação do 2 grau 6x2+5x+1=0​

Answer 1

Olá....

$6x^2+5x+1=0\\\\Coeficientes:\;a=6,\;b=5\;e\;c=1\\\\\Delta=b^2-4ac\\\Delta=5^2-4\cdot6\cdot(1)\\\Delta=25-24\\\Delta=1\\\\x=\dfrac{-b\pm\sqrt{\Delta}}{2a}\\\\x=\dfrac{-5\pm\sqrt{1}}{2\cdot6}\\\\x=\dfrac{-5\pm1}{12}\\\\x_1=\dfrac{-5+1}{12}=\dfrac{-4}{12}=-1/3\\\\x_2=\dfrac{-5-1}{12}=\dfrac{-6}{12}=-1/2$

Espero ter ajudado.