However, from the graph below you can see only two of them are real, the other two are complex. From the graph estimates of the factors are, = −0.6, 2.6 The fx keystrokes for this polynomial are, CQ(X)^4$p4J(X)q(x )+6 3 J(X)dp4J(X)p6 r X? z0.6=n 10