X2+x+1=5x-20

Simple and best practice solution for X2+x+1=5x-20 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 X2+x+1=5x-20 equation: 



X2+X+1=5X-20

We move all terms to the left:

X2+X+1-(5X-20)=0

We add all the numbers together, and all the variables

X^2+X-(5X-20)+1=0

We get rid of parentheses

X^2+X-5X+20+1=0

We add all the numbers together, and all the variables

X^2-4X+21=0

a = 1; b = -4; c = +21;
Δ = b2-4ac
Δ = -42-4·1·21
Δ = -68
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 12x+8=4() | | a+14=2a | | 3v-80=v | | k2+4k-60=0 | | 5+3r=5r+-19 | | 15w-14=14w-9 | | 9p-69=3p+63 | | (9p-69)+(3p+63)=180 | | U+20=2u | | 2s-100=s-42 | | 3(2z-3)=6z-(3z-11)-2 | | 39+4x=5(−x+2)−25 | | b-35=2b-84 | | 3x²-21x-24=0 | | x-2/15=40 | | 5a-54=6a-68 | | 5a-54=a | | 5r-(6+r)=2r+2(r+8) | | 7m+11+m=99 | | 5^x+2=343 | | 6a-68=a | | 6x+5=52+x | | 3x(4x-2)=2(6x-3) | | 6x+5=(52+x) | | y=-15=10y-375 | | 9s=8s+3 | | 5y-18=-83 | | 6(x-10)=36 | | 3x+2=42+2(x+5) | | X2=5(3x-10) | | 3x+16=x-2 | | (5x-95)+(3x-53)=180 |

Equations solver categories