Answer:

letter A po

Step-by-step explanation:

hope na maka help

Answer:

The correct answer is option a.

why?

The factor of:

{x}^{4} + {x}^{3} - {x}^{2} - x - 18x 4 +x 3 −x 2 −x−18

is:

(x - 2)( {x}^{3} + {3x}^{2} + 5x + 9)(x−2)(x 3 +3x 2 +5x+9)

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