x intercept(s) of Graphs of Functions
To view the CALC menu, press
Choose option 4.x_Incpt to find the x intercept(s) (zeros) on the graph
of a function.
If there is more than one x intercept for the graph of a function, simply run x intercept again.
Press 
and enter the function
y = -(x-2)2(x+2)(x+5)
