Examples & practice
1. Divide the polynomial into two groups: 1st half and 2nd half.
2. Factor the GCF (greatest common factor) out of the 1st half and factor the GCF out of the 2nd half.
3. You should have a common binomial factor (the part in parenthesis). If these do not match, check step #2.
4. Factor out the common binomial factor.
Factoring by grouping practice w/ answer key