Question

for what value of k , -4 is a zero of the polynomial x square -x - 2 + 2 ????

Answer 1

x^2-x-2k+2
for zeroes
=(-4)^2-(-4)-2k+2=0
=16+4+2=2k
=22=2k
=k=11

Answer 2

where is k in the equation?