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16 July, 16:44

Factorise x2 + 5x + 6

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  1. 16 July, 16:46
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    X² + 5x + 6.

    When the x² is alone, you just think of two numbers that add up to give 5 and multiply to give 6.

    those are 2 and 3.

    x² + 5x + 6

    x² + 2x + 3x + 6

    x (x + 2) + 3 (x + 2)

    (x + 2) (x + 3)
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