Question

6х^2+5х-4=0 дискриминат пжжжж срочно

Answer 1

$6x^{2} + 5x - 4 = 0 \\ d = 5^{2} - 4 \times 6 \times ( - 4) = 121 \\ x1 = ( - 5 + \sqrt{121} ) \div (2 \times 6) = 6 \div 12 = 0.5 \\ x2 = ( - 5 - \sqrt{121} ) \div (2 \times 6) = - 16 \div 12 = - \frac{4}{3}$