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QUESTION IMAGE

select the correct answer. one of the factors of the polynomial \\(x^3 …

Question

select the correct answer.

one of the factors of the polynomial \\(x^3 + 5x^2 + 6x\\) is \\((x^2 + 3x)\\). what is the other factor?

\\(x - 2\\)

\\(x + 2\\)

\\(x + 1\\)

\\(x - 1\\)

Explanation:

Factor out the greatest common factor

$$ x^3 + 5x^2 + 6x = x(x^2 + 5x + 6) $$

Factor the remaining quadratic expression

$$ x^2 + 5x + 6 = (x + 2)(x + 3) $$

Identify the given factor and find the other factor

$$ LATEXBLOCK0 $$

Answer:

  • (A) \(x - 2\)
  • (B) \(x + 2\) (Correct answer)
  • (C) \(x + 1\)
  • (D) \(x - 1\)