Answer: The mistake is improper use of distribution property.
Step-by-step explanation:
It is given that [tex]3\times (4+2)=12+2[/tex].
We need to find the mistake.
The given expression is
[tex]3\times (4+2)[/tex]
Using distribution property, we get
[tex]3\times (4)+3\times(2)[/tex]
[tex]12+6[/tex]
So, [tex]3\times (4+2)=12+6[/tex].
In the given calculation the 3 is not distributed properly because 3 is not multiplied with 2.
Therefore, the mistake is improper use of distribution property.
