(x^2)-x-14
solve (x^2)-x-14
x2 – x – 14 = 0
–b ± sqrt(b2 – 4ac)
x = ––––––––––––––––
2a
+1 ± sqrt( (–1)2 – 4(1)(–14) )
x = ––––––––––––––––––––––––
2
1 + sqrt(57) 1 – sqrt(57)
x = –––––––––––– and ––––––––––––
2 2
.