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myrzilka [38]
2 years ago
8

The area of a rectangle is 24 square centimeters. The length (X), in centimeters of the rectangle is given by the equation x2 +

5x = 24.
What is the length of the rectangle?
Mathematics
1 answer:
Allisa [31]2 years ago
8 0

The length of the rectangle is 3 cm

<h3>Applications of Quadratic equations</h3>

From the question, we are to determine the value of the length of the rectangle

To find the length of the rectangle, we will determine the value of x in the given equation

The given equation is

x^{2} + 5x =24

This can be written as

x^{2} +5x -24 =0

Factorizing

x^{2} +8x - 3x -24 = 0

x(x+8) -3(x+8)=0

(x-3)(x+8)=0

Then,

x-3 = 0 OR x + 8 = 0

x = 3 OR x = -8

Since, the length of the rectangle cannot be negative, the value of x is 3.

Hence, the length of the rectangle is 3 cm.

Learn more on solving quadratic equations here: brainly.com/question/8649555

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