11x^2-4=11x

Simple and best practice solution for 11x^2-4=11x 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 11x^2-4=11x equation:


Simplifying
11x2 + -4 = 11x

Reorder the terms:
-4 + 11x2 = 11x

Solving
-4 + 11x2 = 11x

Solving for variable 'x'.

Reorder the terms:
-4 + -11x + 11x2 = 11x + -11x

Combine like terms: 11x + -11x = 0
-4 + -11x + 11x2 = 0

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

Divide each side by '11'.
-0.3636363636 + -1x + x2 = 0

Move the constant term to the right:

Add '0.3636363636' to each side of the equation.
-0.3636363636 + -1x + 0.3636363636 + x2 = 0 + 0.3636363636

Reorder the terms:
-0.3636363636 + 0.3636363636 + -1x + x2 = 0 + 0.3636363636

Combine like terms: -0.3636363636 + 0.3636363636 = 0.0000000000
0.0000000000 + -1x + x2 = 0 + 0.3636363636
-1x + x2 = 0 + 0.3636363636

Combine like terms: 0 + 0.3636363636 = 0.3636363636
-1x + x2 = 0.3636363636

The x term is -1x.  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.
-1x + 0.25 + x2 = 0.3636363636 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 0.3636363636 + 0.25

Combine like terms: 0.3636363636 + 0.25 = 0.6136363636
0.25 + -1x + x2 = 0.6136363636

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 0.6136363636

Calculate the square root of the right side: 0.783349452

Break this problem into two subproblems by setting 
(x + -0.5) equal to 0.783349452 and -0.783349452.

Subproblem 1

x + -0.5 = 0.783349452 Simplifying x + -0.5 = 0.783349452 Reorder the terms: -0.5 + x = 0.783349452 Solving -0.5 + x = 0.783349452 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 = 0.783349452 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 0.783349452 + 0.5 x = 0.783349452 + 0.5 Combine like terms: 0.783349452 + 0.5 = 1.283349452 x = 1.283349452 Simplifying x = 1.283349452

Subproblem 2

x + -0.5 = -0.783349452 Simplifying x + -0.5 = -0.783349452 Reorder the terms: -0.5 + x = -0.783349452 Solving -0.5 + x = -0.783349452 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 = -0.783349452 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -0.783349452 + 0.5 x = -0.783349452 + 0.5 Combine like terms: -0.783349452 + 0.5 = -0.283349452 x = -0.283349452 Simplifying x = -0.283349452

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.283349452, -0.283349452}

See similar equations:

| 4q+8=100 | | 5x-104=592 | | -1-28/5 | | (2w-7)(5+w)=0 | | 7x^2+7x-11=45-34x | | 5x-14=592 | | 7(10+5x)=280 | | x^2-7x+24=12 | | 39=6x+6 | | 1.5+0.5=0.8x-4.8 | | 4r^2+12r=-5 | | -9m-9= | | x^3-7x-11=0 | | 5(6+x)=90 | | 12m^2-21=5m | | 7x+4x-9x=8 | | 2x+4(3x-3)=16 | | 2.5x^2+6.3x=0 | | 1.72x=x+4546 | | -1/3x=-225 | | x^2+5=2.75 | | 7x+4x-9x=5+3 | | 3ln(2y+7)=24 | | 2x^2+13x+4=-17 | | 2t^2+5t-4=0 | | 6r^2+30r-92=-8 | | 6b^2+8b^3=0 | | -6(-4v-4)+4v=24-3v | | k^2+9k+10=-8 | | Y=1E+06X-165256 | | -5(8x-14)=510 | | 67-48=30-n |

Equations solver categories