staintheclay staintheclay

24-10-2019
Mathematics

contestada

Each side of a square x units long is decreased by 9 units. which expression represents the area of the new square in square units?

Respuesta :

alejandrocampos54 alejandrocampos54

24-10-2019

Answer:

a= (x-9)2

a=x2-18x+81

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