1/3x^2y^3(2x-3y +1) (6x^3y +2xy-3xy⁴).(-3xy)² (2x²y)³ (x-4xy^2+3x2y) 2/3x³y+1/3xy-2/5y²).(-1/2xy)² (X+2y)(x²-2xy+4y²) (2x+1)(2xy+x²-y²) (X-1)(x+1)(2x-3)

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