Im not exactly sure but i think:
r^2+6r+2
________
5r^2-5r-25
remember IM NOT SO SURE
Answer: The discriminant is the part of the quadratic formula underneath the square root symbol: b²-4ac. The discriminant tells us whether there are two solutions, one solution, or no solutions.
You would just subtract .1978 from 1
( -3,4 ) let me know if you need an extension
The answer is 
First, you must divide 12 on both sides.

Then, simplify the fraction.
