Question

if -2x is zero of polynomial 3x^2-4x+2k then find the value of k. ​

Answer 1

Answer:

K=-2

Step-by-step explanation:

3x²-4x+2k=0

Given that,

X= - 2

3(-2)²+4(-2)+2k=0

3(4)+(-8)+2k=0

12-8+2k=0

4+2k=0

2k= - 4

K= - 4/2

K= - 2

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