Question 57287
1.21z^2+5.28z+5.76=0.
z=[-5.28+-sqrt(5.28^2-4(1.21)(5.76)]/2(1.21)
z=[-5.28+-sqrt(0)]/2.42
z=[-5.28]/[2.42]
z=-2 2/11 with multiplicity two
Cheers,
Stan H.