Respuesta :

Answer:

[tex]2x^2+xy-3y^2[/tex]

Step-by-step explanation:

Start by taking everything out of the parentheses:

[tex]3x^2-2xy-2y^2-x^2-(-3xy)-(y^2)[/tex]

Note two negatives make a positive:

[tex]3x^2-2xy-2y^2-x^2+3xy-y^2[/tex]

Combine like terms:

[tex]3x^2-x^2-2xy+3xy-2y^2-y^2[/tex]

Simplify

[tex]2x^2+xy-3y^2[/tex]

RELAXING NOICE
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