Lauren H. answered • 08/29/18
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Experienced High School Chemistry Teacher
A = lw
l = x
w = x + 4
A = (x)(x + 4)
A = x^2 + 4x
Let x = 10
A = 100 + 40 = 140
Tyoma D.
asked • 08/29/18the length of a professor's office is x feet, and thewidth is x+4 feet. write a polynomial that represents the area. find the area if x=10ft
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