Collecting like terms
- Expand brackets first!
- TERMS are separated by + or –
- “LIKE” terms must have exactly the same LETTER bit (the NUMBER bit can be different)
- Add the COEFFICIENTS of like terms
A “Coefficient” answers the question “how many?”
the coefficient of x in 2x2 – 5x + 2 is -5
the coefficient of x in ax2 + bx + c is b