2 years ago

length of a rectangle is 4x^2 + 12x and the area of the rectangle is 24x^4 + 72x^3 what is the width of the rectangle

Mathematics

1 answer:

Valentin [98]2 years ago

3 0

Square Perimeter = 4(4x-1)

Rectangle Perimeter = 2(2x+1) + 2(x+2)

Square Perimeter = Rectangle Perimeter

4(4x-1) = 2(2x+1) + 2(x+2)

16x - 4 = 4x + 2 + 2x + 4

16x - 4 = 6x + 6

-6x +4 -6x +4

10x = 10

x = 1

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