SOLUTION: Please help me solve this polynomial: ( n + 3 + 3n^2).

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Question 302244: Please help me solve this polynomial: ( n + 3 + 3n^2).
Found 2 solutions by london maths tutor, Alan3354:
Answer by london maths tutor(243)   (Show Source): You can put this solution on YOUR website!


where a = 3, b = 1 and c = 3







Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
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 -35 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 -35 is + or - .

The solution is , or
Here's your graph:
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