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Does anyone know how to link a song? I am looking at a song from the idea that the imaginative journey can be taken from the viewpoint of the characters, the author or even the responder (me). Is this a valid viewpoint, or must the journey come from the characters? If so, that screws up my...

Me and the back of the book are having problems. The question is Solve (x-3)^2 - (x-3) -2 =0 The working out should be Let u= x-3 Therefore: u^2 - u -2 =0 I then factorise to (u-1)(u+2) Therefore u=1 or u=-2 But since u= x-3 And that's what I get up to before the book and I have...