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10 February, 15:38

The area of a rectangular table is given by the trinomial x^2+7x-30. What are the possible dimensions of the rectangle? Use factoring

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  1. 10 February, 18:59
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    A table will have a length and width, so the area will be just that, the product of those two factors, so in short, simply factor the area of x²+7x-30.

    now, if we do a "prime factoring" of 30, we get 2*3*5, and we can mix them as 2*5 and 3, to get the factors of (x² + 10) (x²-3).
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