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2). (-3x + 2)(4x - 5)
4).(x+3)(2x²+x-2)
6). (x+3)(x²-3x + 9) - (54 + x³)
8). (2x - y)(4x² + 2xy + y2)
10).(x-2)(3x² - 2x + 1)
12.) (2x² + 1)(x²-x+3)
14). (x+3)(x²-x+2)
16).(x²-2xy - y²)(x - y)
18). (x - 5)(x² - 6x + 1)
20). (2-3x²)(x³ + 2x²-3)
22). (7x - 1)(2x² - 5x+3)
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