We will investigate how to factorize an expression.
The following expression is given as follows:
[tex]5x\text{ + 15}[/tex]The factorize the expression above using one rule. That rule is to use the common multiple off the entire expression.
The expression above is completely divisible by ( 5 ). So the result of the division serves as the factor as follows:
[tex]\begin{gathered} 5\cdot(\frac{5x\text{ + 15}}{5}) \\ \\ 5\cdot(x\text{ + 3 ) }\ldots\text{ Answer} \end{gathered}[/tex]