Linear Algebra (Homogeneous solution) HAVE the solutions, but need guidance on where the value came from?

Frank Y

New member
The solutions are already there, its just the very last part that im confused about. the part where they somehow make t = -1, out of nowhere. any tips on where that came from?
http://imageshack.us/photo/my-images/840/capture3cw.png/

Thanks so much

p.s the 'c' looks like 'e'
 
Back
Top