Question

解方程：x平方+6X+44/5

Answer 1

x=[-6+-根号(6^2-4*44/5)]/2

x=[-6+-根号36-176/5]/2

=[-6+-2/根号5]/2

=-3+-1/根号5

x1=-3+(根号5)/5

x2=-3-(根号5)/5