if x+6 is a factor of p(x) = xcube +3xsquare+4x+k,then find the value of k
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x cube + 3x square + 4x + k = 0
(-6)cube + 3(-6) square + 4(-6) + k = 0
-216 + 108 - 24 + k = 0
-108 - 24 + k = 0
-332 + k = 0
k = 332
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