Question

if x cube -3x square +4x+k is exactly divisible by x-2 then k =​

Answer 1

Answer:

Since (x + 2) is a factor, x = -2 will make it zero

Since (x + 2) is a factor, x = -2 will make it zero.`. (-2)3 + 6(-2)2 + 4(-2) + k = 0 or k = -8.

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