I have this equation:
and it somehow factorises to this:
I've tried using the quadratic formula but cant get it into the form with
Would anyone be able to shed a little light on this?
so that .
You can change those numbers to "polar" form but they are not anything like " " or " .
The modulus is correct:
but the argument is which is closer to 1.2 radians than to .
Did you, as TheEmptySet suggests, drop a factor of "2" from the coefficient of x?