The sides of a rectangle are 3 and 2x + 1. what expression represents the area of the rectangle?

Question

The sides of a rectangle are 3 and 2x + 1. What expression represents the area of the rectangle?

Step-by-step explanation:

Area = L * W

3 * (2x+1) =

6x + 3

Area of the rectangle = ( x²+12x+27)unit²

Step-by-step explanation: Length = x+3  Breadth = x+9

∴ Area of Rectangle = L×B

(x+3)(x+9) = x²+9x+3x+27 = (x²+12x+27) unit²