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21 September, 21:50

Find the sum and express it in the simplest form.

(-5x^3 + 6x - 4) + (-2x^3 + x)

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Answers (2)
  1. 21 September, 22:19
    0
    -5x^3 + 6x - 4 - 2x^3 + x

    combine like terms

    -7x^3 + 7x - 4
  2. 21 September, 22:46
    0
    (-5x^3 + 6x - 4) + (-2x^3 + x)

    You add - 5x^3 and - 2^3

    -7x ^3 + 6x + x - 4

    Add 6x and x

    -7x^3 + 7x - 4
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