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zavuch27 [327]
3 years ago
12

- 4x² + 3xy - y² -7x^2 - xy +6y^2 x^2 + 4xy – 2y^2

Mathematics
1 answer:
Vinil7 [7]3 years ago
4 0

Answer:

6x^2y^2-11x^2+6xy-3y^2

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