SOLUTION: 1.What is the answer to X^2+x+2=0 using complex number system? 2. what is the real solution of the equation by factoring? x^3=6x^2-9x-54=0

Question 221854: 1.What is the answer to X^2+x+2=0 using complex number system?
2. what is the real solution of the equation by factoring?
x^3=6x^2-9x-54=0
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
1.What is the answer to X^2+x+2=0 using complex number system?

Solved by pluggable solver: SOLVE quadratic equation (work shown, graph etc)

Quadratic equation (in our case ) has the following solutons:

For these solutions to exist, the discriminant should not be a negative number.

First, we need to compute the discriminant : .

The discriminant -7 is less than zero. That means that there are no solutions among real numbers.

If you are a student of advanced school algebra and are aware about imaginary numbers, read on.

In the field of imaginary numbers, the square root of -7 is + or - .

The solution is , or
Here's your graph:

2. what is the real solution of the equation by factoring?
x^3=6x^2-9x-54=0
Too many equal signs.
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