А) 2(a-3)^2 = 2(a^2 - 6a + 9) = 2a^2 - 12a + 18б) -5(1-2c)^2 = -5(1 - 4c + 4c^2) = -5 + 20c - 20c^2в) 0.1(a+5)^2 = 0.1(a^2 + 10a + 25) = 0.1a^2 + a + 2.5
А) 2(a-3)^2 = 2(a^2 - 6a + 9) = 2a^2 - 12a + 18
б) -5(1-2c)^2 = -5(1 - 4c + 4c^2) = -5 + 20c - 20c^2
в) 0.1(a+5)^2 = 0.1(a^2 + 10a + 25) = 0.1a^2 + a + 2.5