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5
(3x+4)(9x²-12x+16)-64-3(3x-1)(3x+1)+x²=27x³+64-64-27x²+3+x²=27x³-26x³+3
x=1
27*1-26*1+3=27-26+3=4
6
![(4-1)(4+1)(4^2+1)(4^4+1)(4 ^{16} +4^8+1)-4 ^{24} =(4^2-1)(4^2+1) (4-1)(4+1)(4^2+1)(4^4+1)(4 ^{16} +4^8+1)-4 ^{24} =(4^2-1)(4^2+1)](https://tex.z-dn.net/?f=%284-1%29%284%2B1%29%284%5E2%2B1%29%284%5E4%2B1%29%284+%5E%7B16%7D+%2B4%5E8%2B1%29-4+%5E%7B24%7D+%3D%284%5E2-1%29%284%5E2%2B1%29)
![(4^4+1)(4 ^{16} +4^8+1)-4 ^{24} =(4^4-1)(4^4+1)(4 ^{16} +4^8+1)-4 ^{24} = (4^4+1)(4 ^{16} +4^8+1)-4 ^{24} =(4^4-1)(4^4+1)(4 ^{16} +4^8+1)-4 ^{24} =](https://tex.z-dn.net/?f=%284%5E4%2B1%29%284+%5E%7B16%7D+%2B4%5E8%2B1%29-4+%5E%7B24%7D+%3D%284%5E4-1%29%284%5E4%2B1%29%284+%5E%7B16%7D+%2B4%5E8%2B1%29-4+%5E%7B24%7D+%3D)
(3x+4)(9x²-12x+16)-64-3(3x-1)(3x+1)+x²=27x³+64-64-27x²+3+x²=27x³-26x³+3
x=1
27*1-26*1+3=27-26+3=4
6
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