Question

encontre as raizes reais da equação 2x²-7x+3=0​

Answer 1

$2x^{2} -7x+3 = 0$

$\Delta=(-7)^{2}-4.2.3 = 49-24=25$

$x=\frac{-(-7)\pm\sqrt{25} }{2.2}$

$x_{1}=\frac{7+5}{4} =\frac{12}{4} =3$

$x_{2}=\frac{7-5}{4} =\frac{2}{4} =\frac{1}{2}$

As raízes são x1 = 3 e x2 = 1/2