Your example: 5+6a+11b
Term: Each expression is made up of terms. A term can be a signed number, a variable, or a constant multiplied by a variable or variables.
Your example: 5, 6a, 11b
Factor: Something which is multiplied by something else. A factor can be a number, variable, term, or a longer expression.
Your example: 5, 6, a, 11, b
Coefficient: The numerical factor of a multiplication expression that contains a variable.
Your example: 6, 11
Constant: A number that cannot change its value.
Your example: 5
Answer: factors are 5, 6, a, 11, b
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