2 (4 - x) + 5
(4 - x)^2 + 5 при x = -4
(4 - x)^2 + 5
(4 - (-4))^2 + 5
69
5.0 + (4.0 - x)^2
2 5 + (-4 + x)
2 21 + x - 8*x