makiah16 makiah16

05-11-2020
Mathematics

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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.

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dimitra24 dimitra24

05-11-2020

Answer:

-24xy+ 162x²y +168xy²

Step-by-step explanation:

[4-7(3x+4y)] • 3x(-2y) =

(4-21x-28y) • (-6xy)=

4•(-6xy) -21x•(-6xy)-28y•(-6xy)=

-24xy+ 162x²y +168xy²

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