In this question, if we try to simplify columns A and B by multiplying with x^3, we get the answer as B.
However, if we don’t simplify, the answer is A.
The correct answer is A for this question.
You should not simplify when negative values are present cuz the signs change and it can result into a different value. Simplification should be done if x>0.
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Yess, got it!
Thanks!
QC questions are inequalities so it makes sense