Verified Answer :

BrokenAngel64

It's not the same because in the first problem you're cubing x3 and in the second one you're doing something completely different

taskmasters

The expressions are not the same thing, x3•x3•x3 is not equivalent to x3•3•3. They mean different things and when simplified they do not result to the same expression.

x^3•x^3•x^3 = x^(3+3+3) = x^9

x^3•3•3 = x^(9•3) = x^27

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