Question

f(x)3x²-4x+1 ache as raizes

Answer 1

$\Delta = b^2 - 4*a*c \\ \\ \Delta = 16 - 12 = 4 \\ \\ x = \dfrac{-b \pm\sqrt{\Delta}}{2.a}\\ \\ \\ x = \dfrac{4\pm2}{6} \\ \\ \boxed{x' = 6/6 = 1} \\ \\ \boxed{x'' = 2/6 = 1/3}$