(a – 50)2 – a(99a – 100) при a = 3√3
(a – 50)2 – a(99a – 100) = a2 – 100a + 2500 – 99a2 + 100a = 2500 – 98a2 При a = 3√3 = √27 получается: 2500 – 98·(√27)2 = 2500 – 98·27 = 2500 – 100·27 + 2·27 = 2500 – 2700 + 54 = –146