Add 4 xy + 3x² + 4 y², 4 x² - xy + 6y², 3 x² + 4xy - y².
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0
Answer:
krhehkmhrdhkdkhgejejeygekyrkmrhdhm
Answered by
1
Answer:
10x^2+9y^2+7xy
Step-by-step explanation:
3x^2+4y^2+4xy
4x^2+6y^2-xy
3x^2-y^2+4xy
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