Marissa is painting her rectangular patio, with the exception of a bench that does not need to be painted: rectangle with a length of x plus 15 and width of x plus 10 with a rectangle in the bottom right corner labeled bench that has a length of 5 and width of 1 a=(x+20)(x+11)

a=(x+15)(x+10) + 5

a=(x+15)(x+10) - 5

a=(x+9)(x+10)