25 25.... How...

India
December 29, 2007 4:18am CST
Where i went wrong.... 10 0 (10-5) (0-5) (10-5)whole square (0-5)whole square Therefore 25 25...
1 response
sergedan
@sergedan (767)
• Romania
29 Dec 07
You are not allowed to square two elements of an inecuation. You multiplied -5 by -5 and 5 by 5,therefore arrived at a false statement.
sergedan
@sergedan (767)
• Romania
29 Dec 07
I forgot to mention the exception that you can square them only if they are both of positive or both negative.