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What is the area of the following?
Height: 3x2 - 2x - 6
(4x)
(4x)
(4x)


Sagot :

The area of the rectangle shown is expressed as 4x² - 2x  - 6

The diagram is attached below:

Area of a rectangle = Length * width

From the diagram;

Length = 4x - 6

Width = x+1

Substitute the given parameters into the formula as shown:

Area = 4x-6(x+1)

Area = 4x(x) + 4x (1) - 6x - 6

Area = 4x² + 4x - 6x - 6

Area = 4x² - 2x - 6

Hence the area of the rectangle shown is expressed as 4x² - 2x  - 6

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