Question

10-29а=3а2 решите дискриминант​

Answer 1

D=961

Объяснение:

$3 {x}^{2} + 29x - 10 = 0 \\ d = {29}^{2} + 4 \times 10 \times 3 = {29}^{2} + 120 = 841 + 120 = 961 \\ \sqrt{d} = 31 \\ x1 = \frac{ - 29 + 31}{6} = \frac{1}{3} \\ x2 = \frac{ - 29 - 31}{6} = - 10$