Find the value of k if x-2 is a factor of x^ 2+ kx +2k.
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3
x=2 You have to put its value in equation given
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x-2=0
x=2
x^2+kx+2k =0
(2)^2+k×2+2k = 0
4+2k+2k = 0
4+4k = 0
4k=-4
k=-4/4
k=-1
x=2
x^2+kx+2k =0
(2)^2+k×2+2k = 0
4+2k+2k = 0
4+4k = 0
4k=-4
k=-4/4
k=-1
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