The length of a rectangle is the sum of the width and 3. The area of the rectangle is 54 units. What is the width, in units, of the rectangle?

Question

Mathematics

Madelynn Glover

1 April, 02:23

The length of a rectangle is the sum of the width and 3. The area of the rectangle is 54 units. What is the width, in units, of the rectangle?

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Answers (2)

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Schultz · Answer 1

Step-by-step explanation:

let width=x

length=x+3

x (x+3) = 54

x²+3x-54=0

x²+9x-6x-54=0

x (x+9) - 6 (x+9) = 0

(x+9) (x-6) = 0

x=-9,6

x=-9 (rejected)

as width can't be negative.

hence width=6 units

Alyson Calhoun · Answer 2

I don't know what to say about this question