Respuesta :

Solution

[tex](3x+2x^2+2)+(-5x-x^2+4)[/tex][tex]\begin{gathered} 3x+2x^2+2-5x-x^2+4 \\ =2x^2-x^2+3x-5x+2+4 \\ =x^2-2x+6 \end{gathered}[/tex]

RELAXING NOICE
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