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

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

asked
User Luisbar
by
8.2k points

2 Answers

5 votes
the width is x + 3

hope this helps (;
answered
User Tfeldmann
by
8.0k points
5 votes
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
answered
User Pfunk
by
7.8k points
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