## Prealgebra (7th Edition)

$(45x+8)\ cm^2$
The area of the figure is the sum of the areas of the two rectangles. area = width x length $10(x-2)+7(5x+4)$ $\longrightarrow$distributive property $10x-20+35x+28$ $\longrightarrow$combine like terms $45x-20+28$ $\longrightarrow$combine constants $45x+8$