Question

7th question
Answer me pleasee
Thank you

Answer 1

Answer:

i

Step-by-step explanation:

if 3 is zero polynomial so

3(3^2)-5(3)+k=0

27-15+k=0

12+k=0

k= -12

Answer 2

Answer:

- 12

Step-by-step explanation:

If 3 is a zero of the polynomial then

Putting 3 in place of x

3 X 9 - 3 X 5 + K = 0

27 - 15 + K = 0

12 + K = 0

K = - 12