SOLUTION: For some reason, they're using a question mark to indicate the plus/minus symbol. That's because the solutions to the quadratic are: -1+2i and -1-2i Use the quadratic for

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: For some reason, they're using a question mark to indicate the plus/minus symbol. That's because the solutions to the quadratic are: -1+2i and -1-2i Use the quadratic for      Log On


   



Question 71202: For some reason, they're using a question mark to indicate the plus/minus symbol.
That's because the solutions to the quadratic are:
-1+2i and -1-2i
Use the quadratic formula to find them.

Answer by galactus(183) About Me  (Show Source):