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Multumesc mult ...ex 1 .

Multumesc Mult Ex 1 class=

Răspuns :

(x+1) la patrat = X la patrat + 2x + 1
(1+x) la patrat = 1 +2x + X la patrat 
(-x-1) la patrat = X la patrat - 2x +1 
(1-x) la patrat = 1 - 2x- X la patrat
(3-x)la patrat = 9 - 6x + x la patrat 
(x-3) la patrat = x la patrat - 6x + 9