SOLUTION: The equation, kx^2 - 3x - k = 0 has a root of x = 2. Determine the value of k and write the expression, kx^2 - 3x - k, as a product of factors. Very confused on how I go about s

Question 941407: The equation, kx^2 - 3x - k = 0 has a root of x = 2. Determine the value of k and write the expression, kx^2 - 3x - k, as a product of factors.
Very confused on how I go about solving this question.
Answer by srinivas.g(540) (Show Source): You can put this solution on YOUR website!
given equation

put x=2 in the above equation

move -6 to the right

divide with 3 on both sides

now put k = 2 in the expression

now we have to write above expression as product of factors

= 2x(x-2)+1(x-2)
=(x-2)(2x+1)
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