can you help me to solve this out?
ABCD is a rectangle with AB=(x+3)cm and BC=(x+3)cm. Given that the area of the rectangle ABCD is between 5cm^2 and 21cm^, find the range of the possible values of x.
I don't expect you to solve it, but it's okay if you want. I just need you to tell me what to do to solve it, but not is a simple one sentence. I mean step by step perhaps..
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set the area =(x+3)(x+3)
solve for the area=5 and area=21. that will be your minimum and maximum values of x call them a & b.
a<x<b and that would be your range