Which of the following best describes a regular tessellation? A. A tessellation that uses exactly two regular polygons
B. A tessellation that uses only on type or regular polygon
C. A tessellation that uses more than three regular polygons
D. A tessellation that uses more than one regular polygon

D.   A tessellation that uses more than one regular polygon

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x = (-2 ±2sqrt(6))/5

Step-by-step explanation:

2(5x + 2)^2 = 48.

Divide each side by 2

2/2(5x + 2)^2 = 48/2

(5x + 2)^2 = 24

Take the square root of each side

sqrt((5x + 2)^2) = ±sqrt(24)

(5x + 2) = ±sqrt(6*4)

5x+2 = ±sqrt(6)sqrt(4)

5x+2 = ±2sqrt(6)

Subtract 2 from each side

5x+2-2 =-2 ±2sqrt(6)

5x =-2 ±2sqrt(6)

Divide each side by 5

5x/5 =(-2 ±2sqrt(6))/5

x = (-2 ±2sqrt(6))/5