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(a-2x -3)2 -(x+2a-1)2

Răspuns :

(2a-4x-6)-(2x+4a-2)=2a-4x-6-2x-4a+2=-2a-6x-4

[tex](a-2x -3)2 -(x+2a-1)2=\ \textgreater \ \\ 2(a-2x-3-(x+2a-1))=\ \textgreater \ \\ 2(a-2x-3-x-2a+1)=\ \textgreater \ \\ 2(-a-3x-2) \\ Succes[/tex]