1. “Adding & Subtracting Polynomials”
12.6 Notes
“Adding & Subtracting Polynomials”

2. Example # 1  Find the sum or difference.
1) 2 5𝑥 + 3 5𝑥 2) 𝑏 𝑏−3 + 𝑏+1 𝑏−3 3) 𝑐 + 9 7𝑐² - 𝑐 − 6 7𝑐²

3. Least Common Denominator

4. Example # 2  Find the LCD of the rational expressions.
4) 3 15𝑣² , 𝑣² − 4 20𝑣³ 5) 𝑥 −1 𝑥+2 , 𝑥+2 𝑥 −1 6) 𝑚+9 𝑚²+5𝑚 , −3 𝑚²+7𝑚+10

5. Example # 3  Find the sum or difference.
7) 𝑦 𝑦 8) 3 2𝑥 − 7 5𝑥4

6. Continue to Find the sum or difference.
9) 3𝑥 𝑥²−4𝑥 + 𝑥+5 𝑥−4 10) 1 𝑔²+5𝑔+6 − 1 𝑔²−4

7. Homework:
12.6 Worksheet
#’s 1-21 ALL