is, if the variables in the expression in the parentheses are known numbers, then it is simpler to write the calculation . and juxtapose that new number with the remaining unknown number. Terms combined in an expression with a common, unknown factor (or multiple unknown factors) are called like terms.

Examples

Example

To provide an example for above, let and have numerical values, so that their sum may be calculated. For ease of calculation, let and . The original expression becomes

which may be factored into

1.Previous
3.Next