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30 September, 19:15

3x^2 + 6 - 2x + 5x - 4x^2 + 9

A. - x^2 + 3x + 15

B. 7x^2 + 3x + 3

C. x^2 - 3x + 15

D. - x^2 7x + 15

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Answers (1)
  1. 30 September, 22:15
    0
    Hello,

    I suppose you want to reduce the expression:

    Answer A

    3x²-4x²-2x+5x+6+9=-2x²+3x-15
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