
Robert J. answered 03/23/13
Tutor
4.6
(13)
Certified High School AP Calculus and Physics Teacher
Subtract 5 from both sides,
(7x-1)^2 = -5
Take square root,
7x-1 = ±sqrt(5) i
Solve for x,
x = [1±sqrt(5) i]/7 <==Answer