Answer:
={1 - 2 + (-1) }³ - 3×1×2×(-1)
= {-2}³ +6 = -8 +6 = -2
Step-by-step explanation:
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Answer:
( a - d + c )³ -3abc
={1 - 2 + (-1) }³ - 3×1×2×(-1)
= {-2}³ +6 = -8 +6 = -2
Step-by-step explanation:
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