Question

please answer my question. answer third question​

Answer 1

Answer:

k = 9

Step-by-step explanation:

if -4 is zero of the given polynomial then on putting x = - 4

x^2 -x - (2k+2) = 0

16 + 4 - (2k + 2) = 0 => 2k = 18

=> k = 9 (option (b) is correct