(2x-1)(2x+1)(x²+x+1)现在就要!
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(2x-1)(2x+1)(x²+x+1)现在就要!
(2x-1)(2x+1)(x²+x+1)现在就要!
(2x-1)(2x+1)(x²+x+1)现在就要!
(2x-1)(2x+1)(x²+x+1)
=(4x²-1)(x²+x+1)
=4x⁴-4x³+4x²-x²-x-1
=4x⁴-4x³+3x²-x-1
4xxxx+4xxx+3xx-x-1