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28 April, 10:42

What is the product of (7x+3) ^2

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Answers (2)
  1. 28 April, 12:22
    0
    The answer is 49x^2 + 42x+9
  2. 28 April, 13:25
    0
    49x² + 42x + 9

    Step-by-step explanation:

    Given

    (7x + 3) ²

    = (7x + 3) (7x + 3)

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

    7x (7x + 3) + 3 (7x + 3) ← distribute both parenthesis

    = 49x² + 21x + 21x + 9 ← collect like terms

    = 49x² + 42x + 9
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