Find each of the following for x^2+5x+6 and x^2+x-2.

a) the LCM
b) the GCF

x^2 + 5x + 6 = (x+2)(x+3)

x^2 + x - 2 = (x+2)(x-1)

LCM = (x-1)(x+2)(x+3)
Highest Common Factor = x+2