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31 March, 13:44

Let the polynomials A = 7x² + 3xy e B = - 3xy.

Determine A + B

a) 7x²

b) 3xy

c) 7x² + 6xy

d) 14x² + 6xy

e) - 3xy

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Answers (1)
  1. 31 March, 16:36
    0
    The answer is A.

    Step-by-step explanation:

    You have to add up both polynomials together:

    A = 7x² + 3xy

    B = - 3xy

    A + B = 7x² + 3xy + (-3xy)

    = 7x² + 3xy - 3xy

    = 7x²
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