1/2x^4-5x^2+9/2 因式分解.

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1/2x^4-5x^2+9/2因式分解.1/2x^4-5x^2+9/2因式分解.1/2x^4-5x^2+9/2因式分解.=1/2(x^4-10x^2+9)=1/2(x^2-9)(x^2-1)=1/2(

1/2x^4-5x^2+9/2 因式分解.
1/2x^4-5x^2+9/2 因式分解.

1/2x^4-5x^2+9/2 因式分解.
=1/2(x^4-10x^2+9)
=1/2(x^2-9)(x^2-1)
=1/2(x-3)(x+3)(x-1)(x+1)

1/2(x-3)(x+3)(x-1)(x+1)

1/2x^4-5x^2+9/2
=1/2(x^4-10x²+9)
=1/2(x²-1)(x²-9)
=1/2(x+1)(x-1)(x+3)(x-3)