Question

Express the area of the entire rectangle. Your answer should be a polynomial in standard form, (x+4) (x+5)

Area=​

Answer 1

`x^(2)` + 5x + 20

Explanation:

(x+4) (x+5)

Expand

x^2 + 5x + 4x + 20

Simplify

`x^(2)` + 5x + 20

Hope that helps!