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# algebra

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The perimeter of a square is 80 - 64y.  Which expression can be used to show the side length of one side of the square?

Mar 15, 2021

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since a square has 4 equal sides, the perimeter would be 4 * (side length of the square).

so, each side length of the square would be $$\frac{80-64y}{4}$$

80 / 4 = 20 and 64y / 4 = 16y

each side length of the square is 20 - 16y, or the third option.

it seems that you are asking many questions about factoring simple expressions. here is a site that may help:

https://www.factoring-polynomials.com/factoring-2.htm

i have mentioned this before, but Symbolab's simplifying calculators are helpful as well, in providing step-by-step solutions and tips. feel free to explore!

hope this helped! sorry if my explanations weren't that great. a quick search online will also always provide you with many resources and tips!

Mar 15, 2021