grpclansss grpclansss

11-02-2021
Mathematics

contestada

The length of a rectangular sandbox is 4 feet less than its width, which is represented by x. The area is 45 square feet. Which equation can be used to find the area of this sandbox?
1.x^2+4=45
2.x(x+4)=45
3.x(x-4)=45
4.x(2x+4)=45

Respuesta :

fmcryuvnar fmcryuvnar

11-02-2021

Answer:

3

Step-by-step explanation:

w= x

l= x-4

x(x-4) = 45

x^2-4x = 45

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