Multiple choice general knowledge math & puzzles

Which of the following is equivalen to 6x2 - 11x - 2?

  1. (6x - 1)(x + 2)

  2. (3x - 1)(2x + 2)

  3. (3x + 1)(2x - 2)

  4. (6x + 1)(x - 2)

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

To factor $6x^2 - 11x - 2$, we look for factors of $6 \times -2 = -12$ that sum to $-11$. These are $-12$ and $1$. Thus, $6x^2 - 12x + x - 2 = 6x(x - 2) + 1(x - 2) = (6x + 1)(x - 2)$. This matches option 129049.