If x+1 is a factor of the polynomial 3k2 – kx then find the value of k.
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Step-by-step explanation:
It is given that x+1 is the factor 3k2-kx ....... eq 1
substitute x+1 in 1st equation we get
= 3(x+1)2-(x+1)x.
= 6x+6 -x²+x
= x²+ 5x -6 (multipled with minus for positive x²)
= x² -2x-3x -6
by solving them we get k can be 2 or 3.
i hope it helps
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