Find the area of a rectangle with length, l = 4x + 3 and width, w = 4x - 3.

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asked Aug 12, 2020 122k views

1 vote

Find the area of a rectangle with length, l = 4x + 3 and width, w = 4x - 3.

Mathematics
middle-school

Peoro asked

by Peoro

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2 Answers

2 votes

Answer:

16x² - 9

Explanation:

Area of rectangle = l × w

= (4x + 3) (4x - 3)

= (4x)² - (3)² = (16x² - 9)

Daniel MesSer answered Aug 13, 2020

by Daniel MesSer

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5 votes

A = (4x-3)(4x+3)

A = 16x-9

Rayniel answered Aug 19, 2020

by Rayniel

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16x² - 9

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