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3 October, 07:32

The variables A, B, and C represent polynomials where A = x+1, B=x^2+2x-1, and C=2x. What is AB+C in simplest form

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  1. 3 October, 08:15
    0
    A B + C = (x + 1) (x² + 2 x - 1) + 2 x =

    = x³ + 2 x² - x + x² + 2 x - 1 + 2 x = x³ + 3 x² + 3 x - 1

    Answer: C)
  2. 3 October, 09:24
    0
    (x+1) (x^2+2x-1) + 2x

    x^3+2x^2-x+x^2+2x-1+2x

    x^3+3x^2+3x-1
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