You can put this solution on YOUR website! √(x + 1) = √5x + 4)
x + 1 = 5x + 4 {squared each side of the equation, removing the radical signs}
1 = 4x + 4 {subtracted x from each side}
-3 = 4x {subtracted 4 from each side}
x = -3/4 {divided each side by 4}