Question

find the zeros of the cubic polynomial x cube + 2 x square - x -2​

Answer 1

Answer:

1st one ka x= root -2 and 2nd ka x=2

Step-by-step explanation:

x square +2 = 0

x square = -  2

x = root -2

2nd.

      -x-2=0

     -2 = x

so the zeores are root -2 and -2