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8 March, 13:29

What is the product of the 2 solutions of the

equation x^2 + 4x - 21 = 0?

72 + 41 - 21 = 0?

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Answers (1)
  1. 8 March, 14:20
    0
    -21.

    Step-by-step explanation:

    x^2 + 4x - 21 = 0

    To factor this we need 2 numbers whose sum id + 4 and whose produce is - 21.

    These are - 3 and + 7, so the factors are:

    (x - 3) (x + & = 0

    x = 3, - 7.
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