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MariaEly2
a fost răspuns

Descompune in factori expresia: E(x)=x³-4x²+x+6

Răspuns :

Bunicaluiandrei
E(x) = x³ -4x² +4x - 3x +6 = x(x² - 4x + 4) - 3(x + 2) = x(x -2)² - 3(x-2) = (x-2)(x²-2x-3) = (x-2)(x² +x - 3x - 3) = (x-2)(x+1)(x-3)

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