Question

3x²-5x+1 помогите решить(((((

Answer 1

$3x {}^{2} - 5 + 1 = 0 \\ d = 5 {}^{2} - 4 \times 6 = 25 - 24 = 1 \\ x1 = \frac{5 + 1}{6} = \frac{6}{6} = 1 \\ x2 = \frac{5 - 1}{6} = \frac{4}{6} = \frac{2}{3}$