Question

value of k when x=2 is a root of the quadratic equation 3x²-kx-2=0

Answer 1

p(2)=3(2)²-k(2)-2=0
3(4)-2k-2=0
12-2k-2=0
10-2k=0
-2k=-10
k=-10/-5
k=2

Answer 2

hey mate ur answer is

hope it help u