Question

If x = -2 is a solution
solution of the a quadratic equation 3x²+ 2Kx- 3=0
Find the value of K.​

Answer 1

Answer:

K = 9/4 is the answer for your question

please mark my answer as brainliest answer

Answer 2

Answer:

Firstly we will put the value -2 on x place.

So, it will become,

3×(-2)×(-2) + 2k×-2 - 3 = 0

12 + 2k×-2 - 3 = 0

12 - 3 + 2k×-2 = 0

9 + 2k×-2 = 0

2k×-2 = 0-9

2k×-2 = -9

2k = -9/2

2k = -4.5

k = -4.5/2

k = -45/20

k = -9/4