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5 July, 19:38

Subtract these polynomials. (3x3 - 4x2 + x - 2) - (x3 - 5x2 + 3x + 2)

A. 2x3 + x2 - 2x - 4 B. 2x3 - x2 - 2x - 4 C. 2x3 + x2 - 2x

D. 2x3 + x2 + 2x - 4

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Answers (2)
  1. 5 July, 19:52
    0
    (3x3 - 4x2 + x - 2) - (x3 - 5x2 + 3x + 2)

    = 3x3 - 4x2 + x - 2 - x3 + 5x2 - 3x - 2

    = 2x^3 + x^2 - 2x - 4

    answer A. 2x3 + x2 - 2x - 4
  2. 5 July, 20:00
    0
    Its A, distribute the negative to the second polynomial and combine like terms
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