(-2a²b)³(-3ab³)² -2ab(a-2)² (x+1)(x²-x+1)

(-2a²b)³(-3ab³)² -2ab(a-2)² (x+1)(x²-x+1)
(-2a²b)³(-3ab³)² -2ab(a-2)² (x+1)(x²-x+1)

(-2a²b)³(-3ab³)² -2ab(a-2)² (x+1)(x²-x+1)
(-2a²b)³(-3ab³)²
=-8a^6b³*9a²b^6
=-72a^8b^9
-2ab(a-2)²=-2ab(a²-4a+4)
=-2a³b+8a²b-8ab
(x+1)(x²-x+1)
=x³+1
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