The discriminant of this equation is 49. The solutions for this equation are x=2 and x=-

I hope that helps.
No on can explain it but it has a definition.
Step-by-step explanation:
A- Equilateral (all of the angles are the same)
B- isosceles (just two angles are the same)
C- scalene (non of the angles are the same)
Step-by-step explanation:
Initial expression = 80 + 78 + (-97) + 12
final expression = 170-97 ==> $73