(a^2+9)^2(a-1)+36a^2(1-a)因式分解
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(a^2+9)^2(a-1)+36a^2(1-a)因式分解
![(a^2+9)^2(a-1)+36a^2(1-a)因式分解](/uploads/image/z/20188509-69-9.jpg?t=%28a%5E2%2B9%29%5E2%28a-1%29%2B36a%5E2%281-a%29%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3)
(a^2+9)^2(a-1)+36a^2(1-a)
=(a^2+9)^2(a-1)-36a^2(a-1)
=[(a^2+9)^2-36a^2](a-1)
=(a^2+9+6a)(a^2+9-6a)(a-1)
=(a+3)^2(a-3)^2(a-1)
=(a^2+9)^2(a-1)-36a^2(a-1)
=[(a^2+9)^2-36a^2](a-1)
=(a^2+9+6a)(a^2+9-6a)(a-1)
=(a+3)^2(a-3)^2(a-1)