(1)(x-3)^2-2(x-3) (2)(x^2-1)^2+6(1-x^2)+9

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(1)(x-3)^2-2(x-3)(2)(x^2-1)^2+6(1-x^2)+9(1)(x-3)^2-2(x-3)(2)(x^2-1)^2+6(1-x^2)+9(1)(x-3)^2-2(x-3)(2)

(1)(x-3)^2-2(x-3) (2)(x^2-1)^2+6(1-x^2)+9
(1)(x-3)^2-2(x-3) (2)(x^2-1)^2+6(1-x^2)+9

(1)(x-3)^2-2(x-3) (2)(x^2-1)^2+6(1-x^2)+9
分解因式吗?
(1)(x-3)^2-2(x-3)
=(x-3)(x-3-2)
=(x-3)(x-5)
(2)(x^2-1)^2+6(1-x^2)+9
=(x^2-1)^2-6(x^2-1)+9
=[(x^2-1)-3]^2
=(x^2-4)^2
=(x+2)^2(x-2)^2

(1)(x-3)^2-2(x-3)=(x-3)(x-3-2)=(x-3)(x-5)
(2)(x^2-1)^2+6(1-x^2)+9=(x^2-1)^2-6(x^2-1)+9=(x^2-1-3)^2=(x-2)^2*(x+2)^2

(1)(x-3)^2-2(x-3)
=(x-3)(x-3-2)
=(x-3)(x-5)
(2)(x^2-1)^2+6(1-x^2)+9
=(x^2-1)^2-6(x^2-1)+9
=(x^2-1-3)^2
=(x^2-4)^2
=(x-2)^2(x+2)^2

(1)(x-3)^2-2(x-3) =(x-3)(x-3-2)=(x-3)(x-5)
(2)(x^2-1)^2+6(1-x^2)+9=(x^2-1+3)^2=(x^2+2)^2

(1)=X^2-6X+9-2X+6
=X^2-8x+15
=(x-3)(x-5)
(2)=(x^2-1)^2-6(x^2-1)+9
=(x^2-1-3)^2
=(x^2-4)^2
=(x+2)^2(x-2)^2

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