Question

 If x = -2 is a root of 3x² -k x -2 = 0 then k is equal to​

Answer 1

Answer:

3×(-2)² -k×(-2) -2=0

(3×4)+2k-2=0

12+2k-2=0

10+2k=0

2k=-10

k=-10/2

k=. -5

Step-by-step explanation:

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Answer 2

Here is your Answer. Hope it helps you