Question

an expression is _ if it has no grouping symbols and all the like terms have b. what will be in dash
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Answer 1

Answer:

There are several historical events in the Indian history that took place and help us to know that one event happened before another event so that one can examine the relationship between events. Let us solve some questions related to historical events of Indian history.

Answer 2

Answer:

if more than one grouping symbol is present in expression we remove the enner most grouping symbol first and collect combine like terms if any.

We continue this process outwards until all the grouping symbols have been removed

Step-by-step explanation:

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