Odpowiedź:
[tex]x^{4} -50x^{2} +625=(x^{2} -25)^2=[(x-5)(x+5)]^2=(x-5)^2\cdot (x+5)^2[/tex]
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Odpowiedź:
[tex]x^{4} -50x^{2} +625=(x^{2} -25)^2=[(x-5)(x+5)]^2=(x-5)^2\cdot (x+5)^2[/tex]