R(x)=x^2+3x+1

Simple and best practice solution for R(x)=x^2+3x+1 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 R(x)=x^2+3x+1 equation: 



(R)=R^2+3R+1

We move all terms to the left:

(R)-(R^2+3R+1)=0

We get rid of parentheses

-R^2+R-3R-1=0

We add all the numbers together, and all the variables

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

See similar equations:

| 6(x-3)=4(x-7) | | x-106+x=180 | | 5(x-4)=2(x+33) | | 4n²+12n-216=0 | | 15m=6 | | 4(x+2)=2(x+19) | | 2/3/4w=6/3/5 | | 12(x-3)-8(x-3)=48-x | | H(x)=-2x^2-5x+3 | | 3/1/2a=490 | | 71=x+(.2x) | | -7-4(-2x+7)=-39 | | 5x-18+3x=42=180 | | 5x-18+3x=42 | | 5x+1=2x=5 | | x-98+x=180 | | a²+4a-60=0 | | 5x−18+3x+42=180 | | G(x)=3x^2-18x+15 | | F(x)=-3x2-7x-2 | | 14x+110=180 | | x^2-1.4x-29.76=0 | | k²+2k=0 | | Z=2x+2 | | (4x-12)^2=5 | | 3y=2(y-2)=-25 | | 4x-4=43x+6 | | 8x+8+5x+-25=180 | | -5n+14=-11 | | X+5/21=5x+7/40 | | (5-x)(x+2)=0 | | -18=2/z​ |

Equations solver categories