The width of classroom is 4 meters less than the length, and the area is 192m^2. If the length is x m, find an equation in x and hence, find

Question

The width of classroom is 4 meters less than the length, and the area is 192m^2. If the length is x m, find an equation in x and hence, find the dimensions of the classroom

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MichaelMet 3 years 2021-08-31T13:31:33+00:00 1 Answers 24 views 0

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    2021-08-31T13:32:43+00:00

    Step-by-step explanation:

    x(x-4) = 192

    the Equation:

    x²-4x -192 =0

    => (x-16) (x+12) =0

    x= 16 or x= -12

    since the x should be a possitive, so x = 16

    the dimension :

    the length = 16 m

    the width = 12 m

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