Answer
The meaning of simplifying an algebraic expression is lowest term.
Work Step by Step
An expression is simplified when parentheses have been removed and like term have been combined in a form of lowest term.
Example:
Let’s consider some term \[3x, 9x\].
Suppose addition of like terms are A.
Therefore,
\[\begin{align}
& A=3x+9x \\
& =\left( 3+9 \right)x \\
& =12x
\end{align}\]
