Question

If one of the zeroes of the polynomial (k-2)x^2-2x-(k+5)is 4the find value of k

Answer 1

put x=4


(k-2)×(4)²-2×4-(k+5)

16k-32-8-k-5

15k-45

15k=45

k=45/15 = 3


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Answer 2

k=16


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