If f (x) = 8 - 10x and g (x) = 5x + 4, what is the value of (fg) (-2) ?

F (x) = 8 - 10xg (x) = 5x + 4

(fg) (x) = (8 - 10x) (5x + 4)

(fg) (x) = 40x + 32 - 50x^2 - 40x

(fg) (x) = 32 - 50x^2

(fg) (-2) = 32 - 50 (-2) ^2

(fg) (-2) = 32 - 200

(fg) (-2) = - 168