abergen99
abergen99 abergen99
  • 24-03-2017
  • Mathematics
contestada

If the area of a rectangle with length (4x) is 4x^2+12x. Find the width.

Respuesta :

cthonic2
cthonic2 cthonic2
  • 24-03-2017
the width is x + 3

hope this helps (;
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apologiabiology
apologiabiology apologiabiology
  • 24-03-2017
area=lenght times widht
area/length=width
(4x²+12x)/(4x)=width
we can factor out the 4x
4x²+12x=4x(x+3)


so the width is x+3
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