The area of a square rug can be represented by the expression 100x2²+60x +9.
Write an expression to represent the length of each side of the rug.
To represent the length of each side of the rug, we take the square root of the expression that represents the area of the rug.
So, the expression to represent the length of each side of the rug is √(100x^2 + 60x + 9).