Question

if N and M are the zeros of the polynomial 3x square + 11 x minus 4 find the value of m by N + n by M​

Answer 1

Answer:

$3x {}^{2} + 11x - 4 \\ 3x {}^{2} + 12x - x - 4 \\ 3x(x + 4) - 1(x + 4) \\ (3x - 1)(x + 4) \\ x = \frac{1}{3} \: \: \: \: \: x = - 4$