Correct option is B. The simplified form of the given expression is 13ab
An expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.
An expression is a set of terms combined using the operations +, – , x or , for example 4 x − 3 or x 2 – x y + 17 . An equation states that two expressions are equal in value, for example 4 b − 2 = 6 .
We are given the expression,
5ab+9ab-ab
Using the order of operations rule, we have,
First we will add the terms 5ab and 9ab.
So, the expression is 14ab - ab
Now, we will subtract the terms to get the final answer,
That is, 5ab+9ab-ab = 13ab
To learn more about expressions from the given link
https://brainly.com/question/827805
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