Answer:
[tex]A = 2x^2 + x - 28[/tex]
Step-by-step explanation:
The formula for the area of a rectangle is A = lw, where w=width and l=length.
Substitute the known values into this equation, and then it can be simplified.
[tex]A=(2x-7)(x+4)[/tex]
Now we can expand the polynomial using FOIL (multiply the first, outer, inner, then last terms).
[tex]A = 2x^2 + 8x -7x -28[/tex]
Add like terms and put in standard form.
[tex]A = 2x^2 + x - 28[/tex]
