## Intermediate Algebra (6th Edition)

1. Make sure all factors are fully factored. $x^{2}$ - 1 = (x + 1)(x - 1) 2. Apply the zero factor property. a) x + 1 = 0 b) x - 1 = 0 c) 6x + 1 = 0 3. Solve each linear equation. a) x = -1 b) x = 1 c) x = -1/6 The solutions are {-1, -1/6, 1}.