Question

Express the area of the entire rectangle. Your answer should be a polynomial in standard form

Answer 1

First,

Length of Rectangle = (x + 9) units

Breadth of Rectangle = (x + 3) units

so,

Area = (x + 9) * (x + 3)

= x² + 9x + 3x + 27

= (x² + 12x + 27) units