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If x= (a+2) and y = (a-2), show that xy = a²-4.​

If x= (a+2) and y = (a-2), show that xy = a²-4.​
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If x= (a+2) and y = (a-2), show that xy = a²-4.​

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User John Archer
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1 Answer

1 vote


xy=(a+2)(a-2)=a^2-2a+2a-4=a^2-4

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User Sebo
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