Question

Write a simplified polynomial expression to represent the area of the rectangle below. Length: 2x-4 and Width: x+5.

Answer 1

Do you know how to find the area of a rectangle?

Answer 2

l*w?

Answer 3

YES! a polynomial is just an expression like x^2 so multiply (2x-4) * (x+5) to get a polynomial expression.

Answer 4

but how do you multiply them?

Answer 5

so would the answer be 2x^2 + 6x - 20 ?