Question

Решите уравнение 9x^4+3x^3-14x^2-2x+4=0

Answer 1

$9x^4+3x^3-14x^2-2x+4=0 \ (x-1)(3x+2)(3x^2+2x-2) = 0\ x_1 = -frac{2}{3} \ x_2 = 1$