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A building has x floors. The number of apartments on each floor is 6 less than the number of floors. The number of rooms in each apartment is 1 less than the number of apartments on each floor. The expression below shows the total number of rooms in the building:

x(x - 6)(x - 7)

Part A: What does x(x - 6) represent?



Answer :

it represents the number of apartments in x floors
x ( x - 6 ) represents the amount of apartments in the unknown floor. ( x )

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