comment résoudre f (x) =(x+1) = 0 , f(x)=(x+1) = 4 et f(x)= (x+1) = 10

[tex]x + 1 = 0 \\ x = - 1 \\ \\ x + 1 = 4 \\ x = 4 - 1 \\ x = 3 \\ \\ x + 1 = 10 \\ x = 10 - 1 \\ x = 9[/tex]