Question:

Find perimeter and area of a rectangle with width of 2(x-y) and length of 3(x+y)?

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  1. Perimieter of rectangle = 2*L + 2*W

    Perimieter = 2*(2(x-y) + 2*(3(x+Y)

    =4x-4y + 6x+2y

    =10x-2y

    you can simplify this to 5x-y

    Area = L * W

    Area = 2(x-y)*3(x+y)

    =6(x-y)(x+y)

    =6(x^2+xy-xy-y^2)

    =6(x^2-y^2)

    =6x^2-6y^2

    or whatever form you like it in


  2. perimeter= 2(length+width)

                 =2(2x-2y+3x+3y)

                 =2(5x+y)   answer

    Area= length * width

           =2(x-y)*3(x+y)

          =6(x^2 - y^2)   answer

  3. A = 2(x-y)3(x+y)

    A = 6 (x-y)(x+y)

    A = 6 (x^2-y^2)

    A = 6x^2 - 6y^2

    P = (2 x 2)(x-y) + (2 x 3)(x+y)

    P = 4(x-y) + 6(x+y)

    P = 4x - 4y + 6x +6y

    P = 10x +2y

    Not sure if you wanted it in terms of x and y.

  4. Width=2x-2y

    Length=3x+3y

    Area=(3x+3y)(2x-2y)

    Area=6x^2-6y^2

    Perimeter=2(2x-2y)+2(3x+3y)

    Perimeter=4x-4y+6x+6y

    Perimeter=10x+2y

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