SOLUTION: Is this equation correct: (xy)³ = xy³ ? Explain why. If it is correct, how can you prove this? If it is incorrect, what should be done to make it right?
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-> SOLUTION: Is this equation correct: (xy)³ = xy³ ? Explain why. If it is correct, how can you prove this? If it is incorrect, what should be done to make it right?
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Question 518050: Is this equation correct: (xy)³ = xy³ ? Explain why. If it is correct, how can you prove this? If it is incorrect, what should be done to make it right? Found 2 solutions by richwmiller, geometryworm7271:Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website! It depends on the value of x and y.
In general, the left side will not equal to the right side.
left side says to multiply x and y and then cube it.
right side says to cube y and then multiply by x
take some examples
let x=2 and y=3
6^3=
6*36=2*3^3
6*36=2*3*3*3
6*36=6*9
which is obviously not true.
to make it correct you must make the left side equal the right side.
You can put this solution on YOUR website! It is incorrect. (xy)^3 means that you mutiply x and y THEN cube it. But, xy^3 means that you cube y then multiply by x.
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