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5 September, 09:08

What is the product of (3x + 5) (3x - 5) ?

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Answers (2)
  1. 5 September, 11:25
    0
    9x^2-25

    Step-by-step explanation:

    ...
  2. 5 September, 12:35
    0
    9x^2-25

    Step-by-step explanation:

    You're equation is (3x+5 ((3x-5)

    You will apply differences of the two square formula (a+b) (a-b) = a^2-b^2

    which gives you: a=3x, b=5

    = (3x) ^2-5^2

    You then simplify, giving you:

    9x^2-25
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