find the value of k if x+3 is the factor of 2x^2+kx+6
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If x + 3 is a factor, then x+3=0
x= -3
put this value of x in 2x^2 + kx +6=0
2.(-3)^2 + k (-3) + 6=0
18 -3k+6=0
-3k = -24
k = 8 Ans
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