esunshine2003
contestada

A rectangular garden has length and width as given by the expressions below.
Length: 4 - 7(3x + 4y)
Width: 3x(-2y)
Write a simplified expression for the perimeter of the rectangle.
__ -__x-__y-__xy

Respuesta :

CouragePabai

Answer:

-8-42x-56y-12xy is the correct answer

YucksFath

Step-by-step explanation:

▪L = 4 - 7(3x + 4y)

= 4 - 21x - 28y

▪W = 3x(-2y)

= -6xy

Perimeter of rectangle

= 2 . L + 2 . W

= 2 . (4 - 21x - 28y) + 2 . (-6xy)

= 8 - 42x - 56y + (-12xy)

= 8 - 42x - 56y - 12xy

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