因式分解:(1) 12a²b(x-y)³-4ab(y-x)² (2) (a²-4a)²+(3a-12)²
因式分解:(1) 12a²b(x-y)³-4ab(y-x)² (2) (a²-4a)²+(3a-12)²
数学人气:707 ℃时间:2019-11-21 06:04:09
优质解答
(1) 12a²b(x-y)³-4ab(y-x)²=4ab(x-y)²(3ax-3ay-1)(2) (a²-4a)²+(3a-12)²=a²(a-4)²+9(a-4)²=(a-4)²(a²+9)
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