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2 September, 09:29

Fill in the missing number.

(X-4) (x+9) = x2 + ? x - 36

+3
Answers (2)
  1. 2 September, 11:45
    0
    5

    Step-by-step explanation:

    By multiplying the binomials, you get the expression x² + 9x - 4x - 36. Simplify by combining like terms to get x² + 5x - 36. 5 is our missing number and is the coefficient of our x variable.
  2. 2 September, 11:56
    0
    5 is correct answer
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