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2 March, 11:28

Whats the expression y^2+7y+12

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  1. 2 March, 11:54
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    We can find the value of y in the expression y ² + 7y + 12 by factorising.

    Make the expression equal to zero.

    y ² + 7y + 12 = 0

    Factorise.

    (y + 3) (y + 4) = 0

    So either (y + 3) = 0 or (y + 4) = 0

    When (y + 3) = 0, y would be - 3.

    When (y + 4) = 0, y would be - 4.
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