The “x” in x2 Crossword Clue

 The answer to the crossword clue "The “x” in x2" is BASE. This is because the letter "x" is often used as a placeholder for a variable, and in this case, the variable is "base". So, x2 means "base squared".

Here are some other possible answers to the crossword clue "The “x” in x2":

EXPONENT

VARIABLE

POWER

SQUARE

CUBED

The answer that is correct will depend on the specific crossword puzzle that you are solving. However, the most likely answer is "BASE" because it is the most common meaning of the letter "x" in this context.

I hope this helps! Let me know if you have any other questions.