Mathematics
Senior High
Solved
因数分解の問題です。できるだけベストアンサーにします。
(6) 3x² + 2xy - y² + 7x + 3y + 4
(6 (a+b + c) (ab + bc +ca)
abc
(1) a (b²-c²) + b ( c²-a²) + c(a²-b³)
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