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Descompuneti in factori :x ^2- 25

Răspuns :

[tex]Formula: a^2-b^2=(a+b)(a-b) \\ \\ x^2-25=x^2-5^2=(x+5)(x-5)[/tex]
x^2-25=(x-5)(x+5)

Formula:
a^-b^2=(a-b)(a+b)