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3 August, 22:56

Add.

(-8x4+x3+2x2+2) + (-x4+5x3-x2+5x)

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Answers (2)
  1. 3 August, 23:48
    0
    Combine like terms. - 9x^4+6x^3+x^2+6x
  2. 4 August, 01:22
    0
    (-8x⁴ + x³ + 2x² + 2) + (-x⁴ + 5x³ - x² + 5x)

    = - 8x⁴ + x³ + 2x² + 2 + - x⁴ + 5x³ - x² + 5x

    = - 9x⁴ + 6x³ + x² + 5x + 2
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