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26 September, 00:13

What are the factors of x^2-49?

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  1. 26 September, 00:41
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    (x-7) (x+7)

    Step-by-step explanation:

    hello:

    use identity : a²-b² = (a-b) (a+b)

    x²-49 = x²-7² = (x-7) (x+7)
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