Mathematics
Senior High
Solved
2個目の式から3こ目の式になる理由がわかりません。教えてくださいm(_ _)m
x² + 2xy-3x + y² sy th
x² + (2Y - 2 ) x + ( Y - 2) (Y - Z)
X
(X+Y-3) (x + y −2)
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