2x + 3y - 4x + 2y - 2x + 5y, (5x) (6) - 30x, (6x) (2y + 3) - 12xy + 9x, 3x - 2x + 5x - 6x, 2x - 4x - 5 - -2x - 5, 4x - 5x - 2x - -3x,

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