What are the additional linear factors of x3−6x2+11x−6 if x−3 is a factor? (1 point)

Responses

(x+2)(x−1)
left parenthesis x plus 2 right parenthesis left parenthesis x minus 1 right parenthesis

(x−2)(x+1)
left parenthesis x minus 2 right parenthesis left parenthesis x plus 1 right parenthesis

(x+2)(x+1)
left parenthesis x plus 2 right parenthesis left parenthesis x plus 1 right parenthesis

(x−2)(x−1)

1 answer

To determine the additional linear factors of the polynomial \( x^3 - 6x^2 + 11x - 6 \) given that \( x - 3 \) is a factor, we can perform polynomial division to find the quotient when dividing by \( x - 3 \).

  1. Perform synthetic division of the polynomial \( x^3 - 6x^2 + 11x - 6 \) by \( x - 3 \):

    • Coefficients of \( x^3 - 6x^2 + 11x - 6 \): \( 1, -6, 11, -6 \)
    • Root from \( x - 3 = 0 \): \( 3 \)

    Synthetic Division Steps:

    3 |  1  -6   11  -6
      |      3   -9   6
    ---------------------
        1  -3    2   0
    

    The result of the synthetic division gives us the quotient \( x^2 - 3x + 2 \).

  2. Factor the quotient \( x^2 - 3x + 2 \):

    • We can factor it as follows:

    \[ x^2 - 3x + 2 = (x - 1)(x - 2) \]

  3. Combine the factors: The original polynomial \( x^3 - 6x^2 + 11x - 6 \) can be expressed as:

    \[ (x - 3)(x - 1)(x - 2) \]

Thus, the additional linear factors are \((x - 2)(x - 1)\).

Among your response options, the correct answer is:

(x−2)(x−1).