Respuesta :

Answer:  [tex]2x^{2}-(3+g)y^{2}-11x[/tex]

Step-by-step explanation:

You add each coeficient with the same type of incognita:

[tex]x^{2} +x^{2} =2x^{2}[/tex]

[tex]-3y^{2} -gy^{2} = -(3+g)y^{2}[/tex]

[tex]-7x-4x=-11x[/tex]

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