Jawaban:
2x -6y +3xy -6 + 2x² +4xy+5x-4y+2
= 2x+2x² -6y-4y+3xy+4xy-6+2
= 4x²-10y+7xy+4
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Jawaban:
2x -6y +3xy -6 + 2x² +4xy+5x-4y+2
= 2x+2x² -6y-4y+3xy+4xy-6+2
= 4x²-10y+7xy+4