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  9. Q565

RRB Group D (Level-1 posts) 2022 · Question 565 of 598

Simplify: 3x(x − 6) + x2 + 6x − 9 + 24 − x3

  1. A15 + 12x + 4x2 - x3
  2. B15 - 12x + 4x2 - x3Correct
  3. C15 - 12x + 4x2 + x3
  4. D15 + 12x + 4x2 + x3

Answer: B. 15 - 12x + 4x2 - x3

Explanation

After simplifying the expression, we get 15 - 12x + 4x2 - x3.

Source: RRB Group D 2022 Prev. Yr. Paper (22 Aug 2022) (Shift 1) - FreshersNow · reliable-secondary

← Q564View full paper (598 questions)Q566 →

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