Question

Find the least common multiple of x2 – 4x – 5 and x2 – 3x – 10.

Answer 1

x² - 4x - 5                           x² - 3x - 10

(x - 5)(x + 1)                         (x - 5)(x + 2)

                  GCF: (x - 5)

                  LCM: (x - 5)(x + 1)(x + 2)

Answer: (x - 5)(x + 1)(x + 2)