A rectangle has a height of k2 + 3 and a width of k2 + 7.

Express the area of the entire rectangle.

Your answer should be a polynomial in standard form.

k2

2

+

The area of the rectangle in polynomial form is

Step-by-step explanation:

Given

Shape: Rectangle

Required

Area of the rectangle

The area of a rectangle is calculated as thus;

By substituting for height and for width; This gives

Expand the bracket

Open each bracket

Hence, the area of the rectangle in polynomial form is

where's the diagram?

step-by-step explanation: