Question

Find the value of k if (x-3) is a factor of p(x) =2x cube -5x square +3x +k

Answer 1

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Answer 2

Answer:

k=-18

Step-by-step explanation:

x-3 = 0

x=3

p(X)=2x cube - 5x square + 3x + k = 0

p(3)=2*3*3*3 - 5*3*3 + 3*3 + k = 0

54-45+9 + k = 0

9 + 9 + k = 0

18 k = 0

k = 0/18

K = -18