Answer:
[tex]f(x) = {x}^{2} - 5 \\ \\ g(x) = 4x - 4 \\ \\ find \: (f - g)x \\ \\ (f - g)(x) = ( {x}^{2} - 5)(4x - 4) \\ \\ = {x}^{2} - 4x + 4 \\ \\ (f - g)(x) = {x}^{2} - 4x - 1 \\ \\ (f - g)(5) = {(5)}^{2} - 4(5) - 1 \\ \\ = 4[/tex]
