Question

x^2-3x-7=0

Answer 1

X^2 - 3X - 7 = 0

This Eq cannot be factored.
Use the Quadratic Formula:
X = (-B +- sqrt(B^2-4AC))/2A
X = (3 +- Sqrt(9+28))/2
X = (3 +- 6.08)/2 = 4.54, and -1.54.