3x^2=x-1

Simple and best practice solution for 3x^2=x-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 3x^2=x-1 equation:


Simplifying
3x2 = x + -1

Reorder the terms:
3x2 = -1 + x

Solving
3x2 = -1 + x

Solving for variable 'x'.

Reorder the terms:
1 + -1x + 3x2 = -1 + x + 1 + -1x

Reorder the terms:
1 + -1x + 3x2 = -1 + 1 + x + -1x

Combine like terms: -1 + 1 = 0
1 + -1x + 3x2 = 0 + x + -1x
1 + -1x + 3x2 = x + -1x

Combine like terms: x + -1x = 0
1 + -1x + 3x2 = 0

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
0.3333333333 + -0.3333333333x + x2 = 0

Move the constant term to the right:

Add '-0.3333333333' to each side of the equation.
0.3333333333 + -0.3333333333x + -0.3333333333 + x2 = 0 + -0.3333333333

Reorder the terms:
0.3333333333 + -0.3333333333 + -0.3333333333x + x2 = 0 + -0.3333333333

Combine like terms: 0.3333333333 + -0.3333333333 = 0.0000000000
0.0000000000 + -0.3333333333x + x2 = 0 + -0.3333333333
-0.3333333333x + x2 = 0 + -0.3333333333

Combine like terms: 0 + -0.3333333333 = -0.3333333333
-0.3333333333x + x2 = -0.3333333333

The x term is -0.3333333333x.  Take half its coefficient (-0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
-0.3333333333x + 0.02777777779 + x2 = -0.3333333333 + 0.02777777779

Reorder the terms:
0.02777777779 + -0.3333333333x + x2 = -0.3333333333 + 0.02777777779

Combine like terms: -0.3333333333 + 0.02777777779 = -0.30555555551
0.02777777779 + -0.3333333333x + x2 = -0.30555555551

Factor a perfect square on the left side:
(x + -0.1666666667)(x + -0.1666666667) = -0.30555555551

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5(2x-8)=1/5(30+60) | | -99.999=-5.6x-7.6 | | 6-10/11x=16 | | 24=10-3x | | -6(-3+7x)=144 | | 7(-14)[3(-7)-5(-4)]= | | 9b-17-13b=-17-11b | | 8.75/44 | | ((e^11x)-1)/x | | p+2/8=3/9 | | 12s-17=-13+15s-10 | | x-3/3=x-4/4 | | 19j-8=3+20j+9 | | x-0.5+20=37 | | 2x+3+x+7=90 | | -3(7+x)+8=-3(x+7) | | 12p^2-7p+1=0 | | -19-8t=-11t-1-3 | | f(x)=x^2-5x+7 | | X-9+2wx=u | | 7.1(-8.5+x)=37.63 | | 5x-7+2x+9=6x+2+x | | x+(-2)=-3 | | 1/4w=8 | | 5+20y=16y+y+14 | | s+6/4=8/12 | | 18+4v=42 | | 5t-12t+17t=0 | | s=6/4+8/12 | | n/3=2/5 | | 6-16g+16=-19g-11 | | -3k+5(6-k)=4(1-4k) |

Equations solver categories