6x^2=-12x-1

Simple and best practice solution for 6x^2=-12x-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 6x^2=-12x-1 equation:


Simplifying
6x2 = -12x + -1

Reorder the terms:
6x2 = -1 + -12x

Solving
6x2 = -1 + -12x

Solving for variable 'x'.

Reorder the terms:
1 + 12x + 6x2 = -1 + -12x + 1 + 12x

Reorder the terms:
1 + 12x + 6x2 = -1 + 1 + -12x + 12x

Combine like terms: -1 + 1 = 0
1 + 12x + 6x2 = 0 + -12x + 12x
1 + 12x + 6x2 = -12x + 12x

Combine like terms: -12x + 12x = 0
1 + 12x + 6x2 = 0

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

Divide each side by '6'.
0.1666666667 + 2x + x2 = 0

Move the constant term to the right:

Add '-0.1666666667' to each side of the equation.
0.1666666667 + 2x + -0.1666666667 + x2 = 0 + -0.1666666667

Reorder the terms:
0.1666666667 + -0.1666666667 + 2x + x2 = 0 + -0.1666666667

Combine like terms: 0.1666666667 + -0.1666666667 = 0.0000000000
0.0000000000 + 2x + x2 = 0 + -0.1666666667
2x + x2 = 0 + -0.1666666667

Combine like terms: 0 + -0.1666666667 = -0.1666666667
2x + x2 = -0.1666666667

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = -0.1666666667 + 1

Reorder the terms:
1 + 2x + x2 = -0.1666666667 + 1

Combine like terms: -0.1666666667 + 1 = 0.8333333333
1 + 2x + x2 = 0.8333333333

Factor a perfect square on the left side:
(x + 1)(x + 1) = 0.8333333333

Calculate the square root of the right side: 0.912870929

Break this problem into two subproblems by setting 
(x + 1) equal to 0.912870929 and -0.912870929.

Subproblem 1

x + 1 = 0.912870929 Simplifying x + 1 = 0.912870929 Reorder the terms: 1 + x = 0.912870929 Solving 1 + x = 0.912870929 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0.912870929 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0.912870929 + -1 x = 0.912870929 + -1 Combine like terms: 0.912870929 + -1 = -0.087129071 x = -0.087129071 Simplifying x = -0.087129071

Subproblem 2

x + 1 = -0.912870929 Simplifying x + 1 = -0.912870929 Reorder the terms: 1 + x = -0.912870929 Solving 1 + x = -0.912870929 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -0.912870929 + -1 Combine like terms: 1 + -1 = 0 0 + x = -0.912870929 + -1 x = -0.912870929 + -1 Combine like terms: -0.912870929 + -1 = -1.912870929 x = -1.912870929 Simplifying x = -1.912870929

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.087129071, -1.912870929}

See similar equations:

| 6p+8=17+5p | | 5(x+5)-6x=5(3x+1)-11x | | 330/5=495/x | | 0.80x+0.05(20-x)=0.10(85) | | 29.50=19.50+.25(m*200) | | 6p+8=175p | | 5(y-6)=-60 | | 6/24=x/3 | | 4/12=x/3 | | -(7xy-9)+3(4xy+7)= | | 7p-(5p+9)=2-(5p-8) | | -x+1+8x=-3+3x+28 | | 292x37/73x11/16 | | 0.5/1=4/x | | -2.8x=36.68 | | 7x-12y=-5 | | -3x+3y=2 | | -4+3y+5y^2+8+3y+y^2= | | -x+1+11x=-4+5x+25 | | 9/6y-10=-1 | | 6x-(3x-4)=19 | | c(c+7)(c-12)=0 | | -(4(4)+2)-(-3(4)-5)= | | 9x^2+103x+658=0 | | 5z^2+16z+3=0 | | 5m-5=12 | | x^5+4x^3+7=0 | | 4w^2-9w-28=0 | | 3x*5=2400 | | 3x-(2x-4)=6 | | 4x^2-9w-28=0 | | (9rs^3)t+(5rs^3)t= |

Equations solver categories