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1.а³-4а=
2.ах²-ау²=
3.3а²-6ав+3в²=
4.ах²+2ах+а=

1.а³-4а=a(a²-4)=a(a-2)(a+2)2.ах²-ау²=a(x²-y²)=a(a-y)(a+y)3.3а²-6ав+3в²=3(a²-2ab+b²)=3(a-b)²4.ах²+2ах+а=a(x²+2x+1)=a(x+1)²