Question

6 задание, помогите пожалуйста

Answer 1

$6 {x}^{2} + 1.4x - 7.4 =0 \ d = {1.4}^{2} - 4 times 6 times ( - 7.4) = 179.56 = {13.4}^{2} \x = frac{ - 1.4 + - 13.4}{2 times 6} \ x1 = 1 \x2 = frac{ - 14.8}{12} = - frac{74}{10} times frac{1}{12} = - frac{37}{60}$