Question

 If x - 2 is a factor of x
${x}^{2} - 2kx + 8 \: then \: k =$
​

Answer 1

Answer:

x-2=0

x=2

Put x=2

2²-2k×2+8

4-4k+8=0

12-4k=0

-4k=-12

k=-12/-4

k=3