[tex] 3x^{2} -7x+2=0[/tex]
a=3
b=-7
c=2
Δ=delta
Δ=[tex] b^{2} -4ac[/tex]
Δ=49-24=25
[tex] x_{1,2} [/tex]=-b+/-[tex] \sqrt{delta} [/tex] x1=[tex] \frac{-b+ \sqrt{delta} }{2a} [/tex] x1=[tex] \frac{7+5}{6} = \frac{12}{6} = 2[/tex]
X2=[tex] \frac{-b- \sqrt{delta} }{2a} = \frac{7-5}{6} = \frac{2}{6} = \frac{1}{3} [/tex]
