Mathematics
Senior High
Solved
写真の色ペンの所がなぜこのような式になるのか分からないので、教えて頂きたいです。
x² + xy + 2x+y+1
= x² + x(y + ₂) +y +₁)
(X+1) {X+(Y+1)}
M
= (x+1) (X+Y+1)
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ありがとうございます!