Question

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

Answer 1

Answer:

k = 9

Step-by-step explanation:

x2 - x- {2k+ 2} = 0

as -4 is the zero of polynomial

(-4)^2 - (-4) - (2k+ 2)= 0

16 + 4 - 2k -2 = 0

18 - 2k = 0

-2k = -18

therefore k = 9

Answer 2

Step-by-step explanation:

its yur solution .....