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18 November, 14:14

A rectangle has a length of (x+5) and a width of (x-7). Write an equation for the area of the rectangle (use a for area). Simplify the equation completely. Hint: in the final answer, a equals a trinomial.

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  1. 18 November, 17:22
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    x^2 - 2x-35

    Step-by-step explanation:

    A = l*w

    = (x+5) (x-7)

    Foil

    x^2 + - 7x+5x - 35

    Combine like terms

    x^2 - 2x-35
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