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13 November, 17:54

Find the sum of the given polynomials. 3x ^2 + 2x - 5 and - 4 + 7x ^2

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Answers (2)
  1. 13 November, 17:56
    0
    That I'd right that's what I got
  2. 13 November, 18:19
    0
    10x^2 + 2x - 9

    Step-by-step explanation:

    Group things that are alike and simplify

    (3x^2+7x^2) = 10x^2

    (2x) nothing to add or subtract with it so it stays positive 2x = + 2x

    (-5-4) = - 9

    Then put the answer from highest degree to lowest
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