6x^2-6x=7.75

Simple and best practice solution for 6x^2-6x=7.75 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=7.75 equation:


Simplifying
6x2 + -6x = 7.75

Reorder the terms:
-6x + 6x2 = 7.75

Solving
-6x + 6x2 = 7.75

Solving for variable 'x'.

Reorder the terms:
-7.75 + -6x + 6x2 = 7.75 + -7.75

Combine like terms: 7.75 + -7.75 = 0.00
-7.75 + -6x + 6x2 = 0.00

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

Divide each side by '6'.
-1.291666667 + -1x + x2 = 0.00

Move the constant term to the right:

Add '1.291666667' to each side of the equation.
-1.291666667 + -1x + 1.291666667 + x2 = 0.00 + 1.291666667

Reorder the terms:
-1.291666667 + 1.291666667 + -1x + x2 = 0.00 + 1.291666667

Combine like terms: -1.291666667 + 1.291666667 = 0.000000000
0.000000000 + -1x + x2 = 0.00 + 1.291666667
-1x + x2 = 0.00 + 1.291666667

Combine like terms: 0.00 + 1.291666667 = 1.291666667
-1x + x2 = 1.291666667

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 = 1.291666667 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 1.291666667 + 0.25

Combine like terms: 1.291666667 + 0.25 = 1.541666667
0.25 + -1x + x2 = 1.541666667

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 1.541666667

Calculate the square root of the right side: 1.241638702

Break this problem into two subproblems by setting 
(x + -0.5) equal to 1.241638702 and -1.241638702.

Subproblem 1

x + -0.5 = 1.241638702 Simplifying x + -0.5 = 1.241638702 Reorder the terms: -0.5 + x = 1.241638702 Solving -0.5 + x = 1.241638702 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 = 1.241638702 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 1.241638702 + 0.5 x = 1.241638702 + 0.5 Combine like terms: 1.241638702 + 0.5 = 1.741638702 x = 1.741638702 Simplifying x = 1.741638702

Subproblem 2

x + -0.5 = -1.241638702 Simplifying x + -0.5 = -1.241638702 Reorder the terms: -0.5 + x = -1.241638702 Solving -0.5 + x = -1.241638702 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 = -1.241638702 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -1.241638702 + 0.5 x = -1.241638702 + 0.5 Combine like terms: -1.241638702 + 0.5 = -0.741638702 x = -0.741638702 Simplifying x = -0.741638702

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.741638702, -0.741638702}

See similar equations:

| 212=25-w | | -17=2y-7 | | -x^3-7x^2+8x+16=0 | | kx^2-3x-3=0 | | y=-2(-3)-4(-3) | | 15x+20x-10=0 | | 16x-4y+1=8 | | r-.58r=191.4 | | -2x^5+10x^3-8x=0 | | kx^2-3x=3 | | 3x^2+ax^2-9a-9x=0 | | 55=5u-10 | | (b/13)-(3b/13)=13 | | 512x+3=312x+11 | | r-0.59r=177 | | 4w+3w(5h-1h)=7 | | 12.517=1.57 | | -4=6+5w | | 9+2.7t=-4.8+6 | | 36x-y= | | 3(x-1)-4x=17 | | 9x-27=24 | | 4-x=3x+9 | | 4a^2x^2+8x+3=0 | | r-0.59r=175.58 | | 7X+2X+X-5=34 | | 7n-26= | | 9x^2+5x-k=0 | | r-0.59r=175.72 | | Log(x)+5=6.2 | | 5a+c=a | | 3x-2=89 |

Equations solver categories