Question

if -2 is a zero of the polynomial 3 X square + 4 x + 2 k then find the value of k​

Answer 1

Answer:

put x = -2

3x^2 + 4x + 2k = 0

3 (-2)(-2) + 4(-2) +2k = 0

12 - 8 + 2k = 0

2k = -4

k = -4/2

k = -2

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Answer 2

Answer:

l don't know this question of this answer