Solve the equation. Use factoring or the quadratic formula, whichever is appropriate. (Try factoring first. If you have any difficulty factoring, then go right to the quadratic formula.) 
x = __________
Definitions:
Degrees of Freedom
The number of values in a calculation that are free to vary without violating any constraints.
Contingency Table
A tabular method to display the frequency distribution of variables along with their joint distribution.
Contingency Table
A type of table used in statistics to summarize the relationship between two categorical variables, showing the frequency of various combinations of outcomes.
Nominal Variables
Variables that represent categories with no intrinsic ordering or hierarchy, such as gender, nationality, or brand.
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