2x+1=-x^2

Simple and best practice solution for 2x+1=-x^2 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 2x+1=-x^2 equation: 



2x+1=-x^2

We move all terms to the left:

2x+1-(-x^2)=0

We get rid of parentheses

x^2+2x+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:
$x=\frac{-b}{2a}=\frac{-2}{2}=-1$

See similar equations:

| 0.008(9-k)+0.05(k-4)=1 | | (y/2)=9 | | -3=h=8 | | -15=3/5m | | -5w+3(w-2)=12 | | 5x²+125x=0 | | x+(-12)=42 | | 8x+9=3x-13 | | -(2/3)x-4=8 | | x+(-12)=423 | | 8(3n+3)=9(5n+4)+3 | | 6+17y=-15+14 | | 12+5k=-9(k-6) | | 12+5k=-9(k-9) | | x÷23=45 | | 45=23÷x | | 1/2x+5=1/3x+7 | | 11x^2-5x-14=0 | | (12)x=4 | | 11x^2-5-14=0 | | 5w+11=6w-10 | | h(-4)=2(-4)+1 | | 7x-(5x+8)=5x-26 | | 4x=9=-11 | | y=3(-2)-10 | | 2(2+5x)=9(x-4) | | 5x+2(-5+2x)=1-x | | 1+6n=4n+5 | | 18=7(v+3)-4v | | 1.4f+1.1=8.8=f | | x+(-13)=-18 | | 7x-29=4x-12 |

Equations solver categories