10.4 Factoring to Solve Quadratic Equations
Ex1: Solve (2x + 3)(x - 4) = 0
Ex2: Solve x2 + x - 42 = 0
Ex3: Solve x2 - 5x - 48 = 0
Ex4: Solve 3x2 - 2x = 21
Guided Practice.
Solve each quadratic.
1. 4x2 + 8x +
3=0
2. 10x2 - 3x - 1 = 0
3. x2 - 12x = - 36
Homework:
Pages 574 - 575 #2-5, 9-19 odd