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2. Find the area of a rectangular lot if the length is x+1 and its width is x - 1?

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Sagot :

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Answer:

The area of the given rectangle is equal to 4x³ + x² - 4x - 1

SOLUTION

An area of a rectangle is equal to the product of its length and width. Hence,

A = L × W

A = (4x + 1) (x² - 1)

A = 4x(x²) + 1(x²) + 4x(-1) + 1(-1)

A = 4x³ + x² - 4x - 1

Therefore, the area of the given rectangle is equal to 4x³ + x² - 4x - 1

Step-by-step explanation:

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