1. x²y² - 2x²y - 3xy² =xy(xy-2x-3y)2. – 3a²x² + 3ax² - 6ax³=-3ax²(a-1+x)3. - 3m²n² – 3mn² - 9mn =-3mn(mn+n+3)4. x(x - y) ...
1.x2y2 - 2x2y - 3xy2 2.– 3a2x2 + 3ax2 - 6ax3
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