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Expand:
 
(i) \((5 - x)^3 =\)
 
(ii) \((2x - 4y)^3 =\)
 
(iii) \((ab - c)^3 =\)
Answer variants:
\(a^3b^3 - 3a^2b^2c + 3abc^2 - c^3\)
\(125 - 75x + 15x^2 - x^3\)
\(8x^3 - 48x^2y + 96xy^2 - 64y^3\)
\(8x^3 - 48x^2y + 96xy^2 + 64y^3\)
\(125 - 75x + 15x^2 + x^3\)
\(a^3b^3 - 3a^2b^2c + 3abc^2 + c^3\)