Question

If x=3 is one root of the quadratic equation x²-2Kx-6=0then find the value of K.​

Answer 1

Step-by-step explanation:

3² -2×k ×3 -6=0

9- 6k -6=0

-6k +3=0

3 = 6k

k =6/3 =2

hopefully helping you......