Respuesta :

ayah1
area = length x width

x² + 12x = l * x


A.  

First, you factor x from x² + 12x

[tex] x^{2} +12x=x(x+12)[/tex]

area = x (x+12)

area = (x+12) * x

Length = x + 12



B.

If x = 10,
l = x + 12 = 10 +12 = 22
length = 22
and
Area = x² + 12x = 10² + 12(10) = 100 + 120 = 220
area = 220
        

Hope this helps :)

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