Question

1)-3x²+17x-22=0 2)13x-4-3x²=0

Answer 1

1)
$- 3x^{2} + 17x - 22 = 0 \ 3x ^{2} - 17x + 22 = 0 \ d = 289 - 264 = 25 \ x = frac{17 + 5}{6} = frac{22}{6} = frac{11}{3} = 3 frac{2}{3}$
2)
$13x - 4 - 3x {}^{2} = 0 \ 3x {}^{2} - 13x + 4 = 0 \ d = 169 - 48 = 121 \ x = frac{13 + 11}{6} = frac{24}{6} = 4 \ x = frac{13 - 11}{6} = frac{2}{6} = frac{1}{3}$