Question

For what value of k, -4 is the zero of the polynomial p(x)= x²-2x-(k+4)​

Answer 1

Answer:

Hey mate here is your answer ⬇️

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

➡️ P(-4) = 16 + 8 - k - 4=0

=> p(-4) = 20 - k =0

=> k = 20