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8 August, 13:51

What is the area of a rectangle if the length is (7x-4) inches and the width is (10x+5) ?

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  1. 8 August, 16:09
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    Area = L*W

    L=7x-4

    W=10x+5

    Area = (7x-4) (10x+5)

    Using foil method

    Area = 70x² + 35x - 40x-20

    Area = 70x²-5x-20
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