Add x^2+ y^2+ 3xy -6 + -6+ 2x^2 -4y^2- xy+ 5 =?
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ᴀɴsᴡᴇʀ
x² + y² + 3xy -6 + (-6) + 2x² - 4y² - xy + 5
➡️ 3x² - 2y² + 2xy - 6 - 6 + 5
➡️ 3x² - 2y² + 2xy - 12 + 5
➡️ 3x² - 2y² + 2xy - 5
ʜᴏᴘᴇ ᴜ ʟɪᴋᴇ ᴍʏ ᴀɴsᴡᴇʀ
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