Question

Rezolvati ecuatia (2x-1)^2-3(x+1)^2=(x-5)(x+5)+3.

Answer 1

Rezolvarea in atasament

Answer 2

[tex](2x-1)^2-3(x+1)^2=(x-5)(x+5)+3\\ 4x^4-4x+1-3(x^2+2x+1)=x^2-25+3\\ 4x^4-4x+1-3x^2-6x-3=x^2-22\\ x^2-10x-2=x^2-22\\ -10x=-20\\ \boxed{S:x=2}[/tex]