Answer:
Looking for a GCF and factoring it out.
Step-by-step explanation:
Because this is the order you go by when you are factoring also GDF means Greatest Common Factor
1. Put all terms on one side of the equal sign, leaving zero on the other side.
2. Factor
3. Set each factor equal to zero.
4. Solve each of these equations.
5. Check by inserting your answer in the original equation.