Awindow in the shape of a rectangle as shown below has a width of x+5 and a length of x^2- 3x+7 express the area of the rectangle as a single polynomial in simplest form

Step-by-step explanation:

since a=lw, the area is (x^2-3x+7)(x+4)

1. distribute parentheses

2. apply +(-a)=-a rule

3. Simplify

    Steps to simplify:

4. Add like terms

5. Add like terms

hello from mrbilldoesmath!

answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb