B 10 5x x 1 2 ) 2x 2 5x 3 July 8, 2019 16 32 64 128 B 10 5x x 1 2 )+ 2x 2 5x 3 Б) b2 + 5 ≥ 10(b – 2) B) 5x - 2(x + 4) = 10