Question

The area of a rectangle is given by the expression x2 + 5x + 4. If the length of one side is given by x + 2, what is the length of the other side?

Answer 1

Area of a rectangle:

\(A = l \times w\)

Plug in what we know:

\(x^2 + 5x + 4 = l \times (x + 2)\)

To find the width, we have to divide x + 2 to both sides.

Can you divide this? @shelbytipple

\(\dfrac{x^2+5x+4}{x+2}\)