Question

ПОМОГИТЕ РЕШИТЬ

9x^2-4x-2=0

Answer 1

9x^2 - 4x - 2 =0

D = 16 + (4×9×2) = 88

$x1 = \frac{4 + \sqrt{88} }{18} = \frac{4 + 2 \sqrt{22} }{18}$
$x2 = \frac{4 - \sqrt{88} }{18} = \frac{4 - 2 \sqrt{22} }{18}$