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a fost răspuns

Desfaceti parantezele: [tex](3 x^{3} +4y)( \frac{1}{3} y+ \frac{1}{12} x_{2} )[/tex]

Răspuns :

Sanekmd9
(3x³+4y) = 4y+3x³
(1/3y+1/12x²)=1/12x²+1/3y
4y+3x³×1/12²+1/3y=1/48x³+13/3y

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