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From the sum of 7 + 3x and 6 – 2x + x²?, subtract the sum of 2x² – 3x and 2x² + 3x – 9.
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By Alexandra

From the sum of 7 + 3x and 6 – 2x + x²?, subtract the sum of 2x² – 3x and 2x² + 3x – 9.
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Alexandra

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1 thought on “<br />From the sum of 7 + 3x and 6 – 2x + x²?, subtract the sum of 2x² – 3x and 2x² + 3x – 9.<br />​”

  1. Answer:

    (7 + 3x) + (6 – 2x + x²)= 13+x+x²

    2x² – 3x + 2x² + 3x – 9 = 4x²–9

    (4x²-9)-(13+x+x²)

    = 4x²-9-13-x-x²

    2x²-22-x

    Step-by-step explanation:

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