Question

If one zero of the quadratic polynomial kx -4x-k is 3, then the value of k is​

Answer 1

Answer:

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Answer 2

Answer:

Put the value of 3 in x

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

k(3) - 12 - k =0

k(3) - k = 12

k - k = 12 / 3

2k = 4

k = 4/2

k = 2

Value of k is 2.

Step-by-step explanation:

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