Question

if x-3 is a factor of x^2-kx+ 12 then finde the value of k

Answer 1

The answer is in the attachment below..

Hope it will help u ..pls mark it as a brainliest answer..

Answer 2

Answer:

K=7

Step-by-step explanation:

If x-3 is a factor of the given polynomial

Then, P(3) =0 should be true.

=> 3²-3k+12=0

=>9-3k+12=0

=>21-3k=0

=>-3k=-21

=>k=-21/-3

=>k=7

Hope it helps!!