GUIDED PRACTICE for Example 1 1. How many solutions does the equation x 4 + 5x 2 – 36 = 0 have? ANSWER 4.
Multiply the polynomial. 1.(x + 2)(x + 3)(x + 1) ANSWER (x 2 + 5x + 6)(x + 1) ANSWER 4x 2 – 1 2.(2x – 1)(2x + 1) 3. (x – 7) 2 ANSWER x 2 – 14x + 49.
5.4 Do Now: Factor completely. 1.) x 3 – 7x 2 + 10x.
多項式方程式
Algebraic Operations
