Question

find the zeros of polynomial 3xsquare -x-4​

Answer 1

Answer:

$3 {x }^{2} - x - 4 = 0 \\ \\ 3 {x }^{2} + 3x - 4x - 4 = 0 \\ \\ 3x(x + 1) - 4(x + 1) = 0 \\ \\ (x + 1) \: (3x - 4) = 0$

When (x + 1) = 0

x = - 1

When (3x - 4) = 0

3x = 4

$x = \frac{4}{3}$