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math

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(8x^4 - 6x^2) + (2x^2 - 8)(2x^2 + 8)

Simplify
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  • math - ,

    (2x^2 - 8)(2x^2 + 8) = 4(x^2-4)(x^2+4) = 4x^4-64

    (8x^4 - 6x^2) + (4x^4-64)
    = 12x^4 - 6x^2 - 64
    = 2(6x^4 - 3x^2 - 32)

    can't factor that over the rationals

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