Answer:
The roots are -5, 1.
Step-by-step explanation:
[tex]f(x) = x^2 + 4x - 5[/tex]
The roots of a function are also the Ox intercepts, so basically we're finding when is the function equal to '0'.
[tex]x^2 + 4x - 5 = 0\\(x-1)(x+5) = 0\\x_1 = 1, x_2 = -5[/tex]