(3x²+2)(5x四次方+2x²+3)-(5x四次方+x²+3)(3x²+3)

(3x²+2)(5x四次方+2x²+3)-(5x四次方+x²+3)(3x²+3)
(3x²+2)(5x四次方+2x²+3)-(5x四次方+x²+3)(3x²+3)

(3x²+2)(5x四次方+2x²+3)-(5x四次方+x²+3)(3x²+3)
x^2-2x^4-3

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