Ответ:
-315
Объяснение:
-10zcz² + c²10zc = -10cz³ + 10c³z
z = 1/2; c = -4
-10cz³ + 10c³z =
-10 * (-4) * (1/2)³ + 10 * (-4)³ * 1/2 =
40 * 1/8 + 10 * (-64) * 1/2 =
40/8 + (-640) * 1/2 = 5 + (-640/2) =
5 + (-320) = 5 - 320 = -315
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Ответ:
-315
Объяснение:
-10zcz² + c²10zc = -10cz³ + 10c³z
z = 1/2; c = -4
-10cz³ + 10c³z =
-10 * (-4) * (1/2)³ + 10 * (-4)³ * 1/2 =
40 * 1/8 + 10 * (-64) * 1/2 =
40/8 + (-640) * 1/2 = 5 + (-640/2) =
5 + (-320) = 5 - 320 = -315