sandraaaT sandraaaT

21-03-2019
Mathematics

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

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BirdoBomb BirdoBomb

21-03-2019

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

A = 16x-9

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PewDiePie93 PewDiePie93

21-03-2019

Answer:

16x² - 9

Step-by-step explanation:

Area of rectangle = l × w

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

= (4x)² - (3)² = (16x² - 9)

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