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
1 answer:
Answer:
3
Step-by-step explanation:
w= x
l= x-4
x(x-4) = 45
x^2-4x = 45
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