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descompuneti in produs de factori : x la a 2 +10x + 25

Răspuns :

[tex]x^{2}+10x+25[/tex]
[tex](x+5)^{2}[/tex]

[tex]{[(x+5)^{2}=x^{2}+2x\cdot5+5^{2}=x^{2}+10x+25]}[/tex]