If you define one direction (for example, north) as positive, then the opposite direction is negative.
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no it justs goes in directions
Negative times negative equals positive.
Yes. A negative subtracted by a negative is a positive. Just remember that two like signs become a positive sign, and two unlike signs become a negative sign.
When you multiply any number by a negative number you reverse its sign. So positive numbers become negative, and negative numbers become positive. That is the meaning of negative multiplication; it is reversal. This is similar to the way that adding a negative number has the same effect as subtracting a positive number. Negative is the opposite of positive.
Of course negative. For example: (-4)^3 = (-4)*(-4)*(-4) = -64