Question

zeros of p(z)=z2-2z-8 are ...and..note (z2 mean z square),​

Answer 1

Step-by-step explanation:

→z²-2z-8

→z²-4z-2z-8

→z(z-4)+2(z-4)

→(z-4)(z+2)

→z=4,-2

Hence the zeros are 4,-2