1. 5.3 – Add, Subtract, and Multiply Polynomials To add or subtract polynomials, add or subtract the coefficients of like terms. You can use a vertical or horizontal format.

2. 5.3 – Add, Subtract, and Multiply Polynomials Example 1: a.Add 2x 3 – 5x 2 + 3x – 9 and x 3 + 6x 2 + 11 b.Add 3y 3 – 2y 2 – 7y and -4y 2 + 2y – 5

3. 5.3 – Add, Subtract, and Multiply Polynomials Example 2: a.Subtract 3x 3 + 2x 2 - x + 7 & 8x 3 - x 2 – 5x+ 1 b.Subtract 5z 2 – z + 3 and 4z 2 + 9z – 12

4. 5.3 – Add, Subtract, and Multiply Polynomials Example 3: a.Multiply -2y 2 +3y – 6 and y – 2 b.Multiply x + 3 and 3x 2 – 2x + 4

5. 5.3 – Add, Subtract, and Multiply Polynomials Example 4: Multiply x – 5, x + 1, and x + 3

6. 5.3 – Add, Subtract, and Multiply Polynomials

7. Example 5: a. (3t + 4)(3 t – 4) b.(8x – 3) 2 c.(pq + 5) 3