16. Determine the value of k for each equation so that the given x-value is a solution. a. x3 + 2x2 x² – 9x + k = 0; x = 3 b. x3 - 3x2 + kx - 12 = 0; x = -4

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step-by-step explanation:

25% is the answer

do you have a picture of the table

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step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!