Question

for what value of k, -4 is a zero of the polynomial x2 - x - (2k - 2)​

Answer 1

Answer:

2 is the correct answer ok

Answer 2

x² - x - (2k - 2)

x = -4

=> (-4)² - (-4) - 2k + 2

=> 16 + 4 - 2k + 2

=> 22 - 2k

=> 2k = 22

=> k = 22/2

=> k = 11