1. 6.3 ADDING/SUBTRACTING POLYNOMIALS
Remember that a POLYNOMIAL is made by adding or subtracting two or more MONOMIALS 12 -
7xy
-2x2y3 +
Monomial
Monomial
Monomial
Polynomial

2. 6.3 ADDING/SUBTRACTING POLYNOMIALS
When adding or subtracting polynomials, you can only combine LIKE TERMS.
LIKE TERMS
LIKE TERMS
LIKE TERMS must have the same variables AND exponents.

3. 6.3 ADDING/SUBTRACTING POLYNOMIALS
When adding or subtracting polynomials, you can only combine LIKE TERMS.

4. Examples #1 #2

5. Adding Entire Expressions
4 𝑥 2 −3𝑥+5 −
4𝑥−7 𝑥 2 +1 #3 =
−4𝑥
+7 𝑥 2 −1
Expand each bracket (multiply)
Then add up the LIKE terms. =
11 𝑥 2
−7𝑥 +4

6. Examples #4