SOLUTION: 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.

Question 60435: 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.
Answer by 303795(602) (Show Source): You can put this solution on YOUR website!
Area of the original piece of cardboard is .
Area of the hole is
So the difference between these is

The area of the cardboard left after the hole is cut out is therefore 6x - 9
RELATED QUESTIONS
From a square piece of cardboard with width x inches, a square of width x-3 inches is... (answered by Nate)

from a square piece of cardboard with width x inches, a square of width x-3 inches is... (answered by Nate)

From a square piece of cardboard with width x inches, a square of width x-3 inches is... (answered by stanbon)

From a square piece of cardboard with width x inches, a square of width x-3 inches is... (answered by ankor@dixie-net.com)

From a square piece of cardboard with width x inches, a square of x - 3 inches is removed (answered by ptaylor)

question states: from a square piece of cardboard with width x inches, a square of... (answered by rchill)

FROM A SQUARE PIECE OF CARDBOARD WITH WIDTH x INCHES, A SQUARE OF WIDTH x-3 INCHES IS... (answered by uma)

From a square piece of cardboard with width x inches, a square of width x-3 inches is... (answered by Earlsdon)

From a square piece of cardboard with width x inches, a square of width x-3 inches is... (answered by checkley71)