x+1=3x^2

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


Simplifying
x + 1 = 3x2

Reorder the terms:
1 + x = 3x2

Solving
1 + x = 3x2

Solving for variable 'x'.

Combine like terms: 3x2 + -3x2 = 0
1 + x + -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 x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-0.3333333333x + 0.25 + x2 = 0.3333333333 + 0.25

Reorder the terms:
0.25 + -0.3333333333x + x2 = 0.3333333333 + 0.25

Combine like terms: 0.3333333333 + 0.25 = 0.5833333333
0.25 + -0.3333333333x + x2 = 0.5833333333

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 0.5833333333

Calculate the square root of the right side: 0.763762616

Break this problem into two subproblems by setting 
(x + 0.5) equal to 0.763762616 and -0.763762616.

Subproblem 1

x + 0.5 = 0.763762616 Simplifying x + 0.5 = 0.763762616 Reorder the terms: 0.5 + x = 0.763762616 Solving 0.5 + x = 0.763762616 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 0.763762616 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.763762616 + -0.5 x = 0.763762616 + -0.5 Combine like terms: 0.763762616 + -0.5 = 0.263762616 x = 0.263762616 Simplifying x = 0.263762616

Subproblem 2

x + 0.5 = -0.763762616 Simplifying x + 0.5 = -0.763762616 Reorder the terms: 0.5 + x = -0.763762616 Solving 0.5 + x = -0.763762616 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -0.763762616 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.763762616 + -0.5 x = -0.763762616 + -0.5 Combine like terms: -0.763762616 + -0.5 = -1.263762616 x = -1.263762616 Simplifying x = -1.263762616

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.263762616, -1.263762616}

See similar equations:

| m^2+m-28=0 | | 1+3x=9+x | | x^2=2x+1 | | ln(x+1)=7 | | 12x-(1-2x)=29 | | 24x^2-20x=4x | | 4x^2=40x+44 | | 7-16x=68 | | 11x-157=6x-7 | | 2x^2+4x+2=8 | | 27(13-18x)-54(18-9x)+388(-222-x)=2(x-11) | | 4q-5=q+13 | | 0.7x+3.4(1-x)=1.77 | | 8n-28=52 | | 0.7x+3.4(1-x)=2.5 | | 0.7x+3.4(1-x)=2.95 | | 14-10x=64-45x | | 112-4x=23x+22 | | x^2+16x=-16 | | 5-10x=135-45x | | 2x^2+24+72=0 | | (n-6)*5=40 | | 4x^2-31x+21= | | 3-x=12 | | x-8x+16=1 | | d^2+56+18d=0 | | 2x-4+6x-3=4x+4x+7 | | 85-4x=2x+19 | | 4-7x=52 | | y^2+3y+2=0 | | 16x+6=36 | | 4(2x-5)+2=x+17 |

Equations solver categories