SOLUTION: Please help From a square piece of cardboard with width x inches, a square of width x-3 inches is removed from the center. Write the area of the remaining piece as a function of

Algebra ->  Surface-area -> SOLUTION: Please help From a square piece of cardboard with width x inches, a square of width x-3 inches is removed from the center. Write the area of the remaining piece as a function of      Log On


   



Question 71297: Please help
From a square piece of cardboard with width x inches, a square of width x-3 inches is removed from the center. Write the area of the remaining piece as a function of x.
Please provide how this problem was answered so I can learn to do this.
Thank you

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
x^2-(x-3)^2
x^2-(x^2-6x+9)
x^2-x^2+6x-9
6x-9