(2x-1)³(2x+1)³
Объяснение:
=(8x³-3*4x²*1+3*2x*1-1)(8x³+3*4x²*1+3*2x*1+1)=
=(8x³-12x²+6x-1)(8x³+12x²+6x+1)=
=64+96+48+8x³-96-144-72x³-12x²+48+72x³+36x²+6x-8x³-12x²-6x-1=
=64-48+12x²-1
+96
+48
+8x³-96-144-72x³-12x²+48+72x³+36x²+6x-8x³-12x²-6x-1=-48+12x²-1
