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17 January, 06:51

What is that product of 2x + y and 5x - y + 3

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Answers (2)
  1. 17 January, 07:43
    0
    The correct answer is:

    10 x^2 + 3 xy + 6 x + - 1 y^2 + 3 y
  2. 17 January, 09:14
    0
    10x² + 6x + 3xy + 3y - y²

    Step-by-step explanation:

    Each term in the second factor is multiplied by each term in the first factor, as shown

    (2x + y) (5x - y + 3)

    = 2x (5x - y + 3) + y (5x - y + 3) ← distributing

    = 10x² - 2xy + 6x + 5xy - y² + 3y (collect like terms)

    = 10x² + 6x + 3xy + 3y - y²
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