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26-02-2021
Mathematics

contestada

(x^2+xy-3y^2) - (4x^2-xy+y^2)

Respuesta :

Yang100 Yang100

26-02-2021

Answer:

-3x^2+2xy-4y^2

Step-by-step explanation:

(x^2+xy-3y^2)-(4x^2-xy+y^2)

x^2-4x^2+xy-(-xy)-3y^2-y^2

-3x^2+xy+xy-4y^2

-3x^2+2xy-4y^2

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