Answer:
well what is the question here?
Step-by-step explanation:
x is the variable
<em>In mathematics, a variable is a symbol; in this case, X.</em>
Answer:
to square a number you multiply the number by itself.
a positive number times a positive number is a positive number.
a negative number times a negative number is a negative number.
and if you are multiplying 2 numbers with the same sign they will always be a positive number.