Answer:
a = 1 ±i√14
Step-by-step explanation:
Subtract 14.
a^2 -2a +1 = -14
(a -1)^2 = -14
Take the square root.
a -1 = ±√-14 = ±i√14
Add 1.
a = 1 ±i√14 . . . . . these are the complex roots of your equation
