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Rezolvati: (2x + 1)(3x-2) - (6x la putere 4 - 2x³ + 3x²) : x²

Răspuns :

[tex](2x+1)(3x-2)-(6x^4-2x^3+3x^2):x^2=\\ 6x^2+3x-4x-2-6x^2+2x-3=\\ -x+2x-5=x-5[/tex]

(2x + 1)(3x-2) - (6x⁴ - 2x³ + 3x²) : x² =
=6x² +3x-4x-2 - 6x² +  2x - 3 =
= x - 5