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AlexandruvTDc
a fost răspuns

(X''+x)(x''+X-8)+12


X''-x la patrat

Răspuns :

EfimSaranceanu
(x²+x)(x²+x-8)+12=X'+x³-8x²+x³+x²-8x+12=x'+2x³-7x²-8x+12
x'-este xla puterea a patra