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Cum rezolvam ecuatia 2x8=(3+x). (x+3)

Răspuns :

2·8=(3+x)· (x+3)16=(x+3)²
4²=(x+3)²
4=x+3
x=4-3
x=1

[tex](x+3)*(x+3)=2*8 \\ (x+3)^2=16 \\ (x+3)^2=4^2 \\ x+3=4 \\ \boxed{x=1}[/tex]