Mathematics
Junior High
Resolved
なぜこの答えになるのかわかりません。
教えてくださいm(_ _)m
x*+xy+x+2y-2=(x+2)y+(x°+x-2)
=(x+2)y+(x-1) (x+2)
=(x+2){y+(x-1)}=(x+2)(x+y-1)
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ありがとうございます😭
助かりました!!☆