Question

what value of k, -4 is a zero of the polynomial p(x) = x2-2x-(2k+2) ? Also find the other zero

Answer 1

Answer:

k=11

Step-by-step explanation:

Put x = -4

p(-4)=0=(-4)^2-2(-4)-{2(k)+2}

16+8-2-2k=0

16+6-2k=0

22-2k=0

-2k=0-22

-2k= -22

2k = 22

k=22/2

k=11

Hey, mate I have solved the question to the maximum extent I could.