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X la a 5 - 4x la a 4 - 9x+ 36 descompuneti in factori

Răspuns :

x⁵-4x⁴-9x+36=
=x⁴(x-4)-9(x-4)=
=(x-4)(x⁴-9)=
=(x-4)(x²+3)(x²-3)=
=(x-4)(x²+3)(x+√3)(x-√3)