Real zeros
Looking at the graph
x=-1 and x=2
Relative local minima
(-1,0) and (2,0)
Relative local maxima
(0.5,5)
Extreme absolute minimum
(-1,0) and (2,0)
Extreme absolute maximum
(-1.5,6)
Interval(s) of increase
(-1,0.5) and (2, infinite)
Interval(s) of decrease
(-infinite,-1) and (0.5,2)