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6th January 2003 | 22:09

#2 (permalink)

jorgvaz

Joined: Dec 2001

Posts: 27

Likes: 0

From: MVD

Ok...Dan, try this,

2x2 –7x –15x = 0

2x2 = 7x + 15x

2x2 = 22x

x2 = 22x
2

x2 = 11x

11*11= 121
x = 121

2(121) – 7(11) –15 (11) = 0