SOLUTION: question states:
from a square piece of cardboard with width x inches, a square of width x-3 in is removed from the center. write are of remaining piece as a function of x
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Question 55078: question states:
from a square piece of cardboard with width x inches, a square of width x-3 in is removed from the center. write are of remaining piece as a function of x
Answer by rchill(405) (Show Source): You can put this solution on YOUR website!
Starting with a square piece that is x inches wide, the area is per definition for finding the area of a square. If the inner square is (x-3) in width, it's area is . So the remaining area becomes , which expands to , which reduces to .
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