Question

If -4 is zero of polynomial x²-x-(2+2k) then find the value of k is​

Answer 1

Answer:

9

Step-by-step explanation:

p(-4)=(-4*-4)-(-4)-(2+2k)

0=16+4-2-2k

0=18-2k

2k=18

k=9

Answer 2

Answer:

9

Step-by-step explanation:

putting the value of x in equation and equating it with 0

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

16+4-2-2k=0

18=2k

k=9

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