Question

formula general 
3x cuadrada menos 7x mas 5

Answer 1

3x^2 -7x +5 =0

x=[-b+o-√b^2-4ac]/2a
a=3
b=-7
c=5

x=[-(-7)+o-√7^2-4*3+5]/2*3
x=[7+o-√49-60]/6
x=[7+o-√-11]/6
x1=[7+√11i ]/6      ( √-11=√11*√-1 =√11i)
x2=[7-√11i]/6