The express the area of the entire rectangle

The area of the entire rectangle, in standard form, is

x² + 9x + 8

Step-by-step explanation:

Area of the entire rectangle:

area = width * length

area = (x+1)(x+8)

        = x*x  + x*8 + 1*x + 1*8

        = x² + 8x + 1x + 8

        = x² + 9x+ 8

10000000000000000000000000000000