Posted by intooder@yahoo.com (192.112.251.48) on October 08, 2003 at 17:42:48:
In Reply to: Help! posted by on October 08, 2003 at 17:10:34:
Ax^2 + Bx + C
x = (-B + Sqrt(B^2 - 4*A*C)) / 2*A
and (-B + Sqrt(B^2 - 4*A*C)) / 2*A
For:
6x^2 + 23x+ 20
x = (-23 + Sqrt(23^2 - 4*6*20)) / 2*6
= (-23 + Sqrt(49)) / 12
= (-23 + 7) / 12
and (-23 - 7) / 12
= -16/12 and -30/12
= -4/3 and -5/2