Mathematics
Junior High
Solved

因数分解について質問なんですが、なぜ⑥場合はマイナスが前に出なくて⑦の場合はマイナスが前に出るんですか?教えて下さいm(_ _)m

62a²-14a 2 (0-7)
9 xy² + 6xy - 2x²y -xJ (J +6+2x)

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