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# What Is a Zero Pair?

**A zero pair describes a pair of numbers whose sum equals zero.** One number in this equation will always have a positive sign, while the other number will always have a negative sign.

A zero pair will always feature the positive and negative form of the same number. For instance, +3 and -3 would be considered a zero pair because the resultant sum when they are added together is zero (+3 + -3 = 0). Conversely, +3 and -2 would not be considered a zero pair because the resultant sum when they are added together would not be zero (+3 + -2 = +1).

The main purpose of a zero pair is to simplify the process of addition and subtraction in complex mathematical equations featuring multiple numbers and variables. For example, in the problem 2+6-3-2, the positive 2 and the negative 2 cancel each other out because they are a zero pair, thus reducing the problem to 6-3.

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## What Is the Way to Factor X3y3 + Z3?

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