SOLUTION: I am asked to find all solutions, real or complex:
(3x+1)^2=-12
I have no idea how to even start this type of problem, your help would be greatly appreciated!
Question 92640: I am asked to find all solutions, real or complex:
(3x+1)^2=-12
I have no idea how to even start this type of problem, your help would be greatly appreciated! Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! I am asked to find all solutions, real or complex:
(3x+1)^2 = -12
:
We can do this by continuing to completing the square:
3x + 1 = +/-Sqrt(-12); find the sqrt of both sides
:
3x = -1 +/-Sqrt(-4*3)
:
3x = -1 + 2i*Sqrt(3)
x =
and
x =
