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5 October, 09:16

What is the sum of the polynomials?

(-x2 + 9) + (-3x2 - 11x + 4)

O-4x2 - 2x + 4

-4x2 - 11x + 13

O 2x2 + 20x + 4

O 2x2 + 11x + 5

+4
Answers (1)
  1. 5 October, 09:17
    0
    -x2+9 + (-3x2-11x+4) (o) - 4x2-2x+4-4x2-11x+13o2x2+20x+4o2x2+11x+5

    Explanation:

    step by step

    =17o2x2-3ox2-11ox-9x2+4o+18x+18
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