Mathematics
Senior High
11と12の解き方を教えてほしいです。
(10) 2x² + 3xy - Ly
10x Jy T
11
(x² - 6x + 5)(x² - 2x - 3) + 12
12 a¹ +b4+c4-2a²b²-2b²c²-2c²a²
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