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(3x² - 2x²) - 2xy + (4x - x) + (- 2y + 2y)
x² - 2xy + 3x
di posisikan yang bilangannya sama
=3x²-2x²-2xy+4x-x-2y+2y
=x²-2xy+3x
=x²-2x(y+3)
Semoga membantu ^^