u2+2u+1=0

Simple and best practice solution for u2+2u+1=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for u2+2u+1=0 equation: 



u2+2u+1=0

We add all the numbers together, and all the variables

u^2+2u+1=0

a = 1; b = 2; c = +1;
Δ = b2-4ac
Δ = 22-4·1·1
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$u=\frac{-b}{2a}=\frac{-2}{2}=-1$

See similar equations:

| 2x-(-x-1)=4+3(×-1) | | -24=-10+x | | x+2,45=-8,5 | | 3^(2x+1)+8^(x+1)-72^x-24=0 | | 6p2+4p+7=0 | | 50x-2000=20x-500 | | a+3/7=5/1 | | 3x-4=x-1-2 | | 3×(4m-3)-8=7+6m | | a+3/7=5/7 | | 6x+10=-3x+8 | | -10=-k | | 3x/4=x-1/2 | | x-(5x/9)-(2x/7)=10 | | 3b-9.2=12.4 | | x/17=42 | | x-5x/9-2x/7=10 | | -8+3p=-20 | | -1-6x=-19 | | (2x)^(1/2)-(4x/5)+(12/5)=0 | | x-3=2x+5/3 | | 145/31+3y=-11 | | -5x^2+10x+4=0 | | x×x=36 | | 3/x=18/5x=2 | | -5(a-33)=45 | | 4(x-5)-2=-5(-3X+6)-X | | -112=7(k-5) | | 11^6x=13^7x-6 | | 4-6n=100 | | y-3y=3 | | 1z=3z+13 |

Equations solver categories