Question

The side of a checkerboard is (3x-2) in. Express the area of the checkerboard in terms of the variable x .

Answer 1

`9x^2 - 12x + 4` in²

Explanation:

Hello!

A checkerboard is in the shape of a square, so we simply have to square the measure given.

Find the Area:

• 
  `(3x - 2)^2`
• 
  `(3x - 2)(3x - 2)`
• 
  `9x^2 - 6x - 6x + 4`
• 
  `9x^2 - 12x + 4`

The area is
`9x^2 - 12x + 4` in².