6x^2-6x-5=0

Simple and best practice solution for 6x^2-6x-5=0 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 6x^2-6x-5=0 equation:


Simplifying
6x2 + -6x + -5 = 0

Reorder the terms:
-5 + -6x + 6x2 = 0

Solving
-5 + -6x + 6x2 = 0

Solving for variable 'x'.

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

Divide each side by '6'.
-0.8333333333 + -1x + x2 = 0

Move the constant term to the right:

Add '0.8333333333' to each side of the equation.
-0.8333333333 + -1x + 0.8333333333 + x2 = 0 + 0.8333333333

Reorder the terms:
-0.8333333333 + 0.8333333333 + -1x + x2 = 0 + 0.8333333333

Combine like terms: -0.8333333333 + 0.8333333333 = 0.0000000000
0.0000000000 + -1x + x2 = 0 + 0.8333333333
-1x + x2 = 0 + 0.8333333333

Combine like terms: 0 + 0.8333333333 = 0.8333333333
-1x + x2 = 0.8333333333

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 = 0.8333333333 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 0.8333333333 + 0.25

Combine like terms: 0.8333333333 + 0.25 = 1.0833333333
0.25 + -1x + x2 = 1.0833333333

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 1.0833333333

Calculate the square root of the right side: 1.040833

Break this problem into two subproblems by setting 
(x + -0.5) equal to 1.040833 and -1.040833.

Subproblem 1

x + -0.5 = 1.040833 Simplifying x + -0.5 = 1.040833 Reorder the terms: -0.5 + x = 1.040833 Solving -0.5 + x = 1.040833 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 = 1.040833 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 1.040833 + 0.5 x = 1.040833 + 0.5 Combine like terms: 1.040833 + 0.5 = 1.540833 x = 1.540833 Simplifying x = 1.540833

Subproblem 2

x + -0.5 = -1.040833 Simplifying x + -0.5 = -1.040833 Reorder the terms: -0.5 + x = -1.040833 Solving -0.5 + x = -1.040833 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 = -1.040833 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -1.040833 + 0.5 x = -1.040833 + 0.5 Combine like terms: -1.040833 + 0.5 = -0.540833 x = -0.540833 Simplifying x = -0.540833

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.540833, -0.540833}

See similar equations:

| (x-3)(x-3)=14 | | x^5y-4= | | 57=-3m-15+m | | 7r+13=13r+18 | | wx-19=5 | | (7x+3)/2-(9x-8)/4=6 | | a(x-a)=3x | | 4z=56 | | 3x+1=3x | | 0.5x+3=-2x-2 | | .21y-1.7=.11y+1-.8y | | 4x-4=-18+6x | | -7w-4=2-4w | | 4ab=6cb-5b+a | | 5(2t-5)-6=9 | | .2x=11 | | .6x=27 | | -2x+7=3x-3 | | -5y=8-y | | 3(7x-8)= | | 5(x-3)=5x-15 | | 27x^2-38x+14=0 | | 47(17)-22a=45 | | 3(x-5)+13=2(x+3) | | x^2=27t^11u^10 | | (7x-4x)=30 | | 5x+2x+10=3x-10 | | y=72x+-16x^2 | | 9x^2=39x-12 | | -9x^2+39x-12=0 | | 8p^3+6p^2-9p= | | -6=u+9 |

Equations solver categories