Enter a problem...
Basic Math Examples
, ,
Step 1
Multiply by .
Step 2
The mean of a set of numbers is the sum divided by the number of terms.
Step 3
Step 3.1
Factor out of .
Step 3.2
Factor out of .
Step 3.3
Factor out of .
Step 3.4
Factor out of .
Step 3.5
Factor out of .
Step 3.6
Cancel the common factors.
Step 3.6.1
Factor out of .
Step 3.6.2
Cancel the common factor.
Step 3.6.3
Rewrite the expression.
Step 3.6.4
Divide by .
Step 4
Step 4.1
Add and .
Step 4.2
Add and .