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Sever21 [200]
3 years ago
13

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

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
4 0

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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