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5 December, 10:50

Which equivalent expression would you set up to verify the associative property of addition for (3x + 4) + ((5x2 - 1) + (2x + 6))

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Answers (2)
  1. 5 December, 11:57
    -1
    C. ((3x+4) + (5x^2-1)) + (2x+6)
  2. 5 December, 12:40
    0
    (3x+4) + (5x2-1) + (2x+6)

    remove unnecessary parenthesis

    3x+4 + (5x2-1) + (2x+6)

    3x+4 + (10-1) + 2x+6

    subtract the numbers

    3x+4+9+2x+6

    collect the like terms

    5x+4+4+9+6

    5x+19
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