6x^2+6x=-1

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


Simplifying
6x2 + 6x = -1

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

Solving
6x + 6x2 = -1

Solving for variable 'x'.

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

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

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

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

Move the constant term to the right:

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

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

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

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

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.
 + 0.25 + x2 = -0.1666666667 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = -0.1666666667 + 0.25

Combine like terms: -0.1666666667 + 0.25 = 0.0833333333
1.25 + x2 = 0.0833333333

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 0.0833333333

Calculate the square root of the right side: 0.288675135

Break this problem into two subproblems by setting 
(x + 0.5) equal to 0.288675135 and -0.288675135.

Subproblem 1

x + 0.5 = 0.288675135 Simplifying x + 0.5 = 0.288675135 Reorder the terms: 0.5 + x = 0.288675135 Solving 0.5 + x = 0.288675135 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 = 0.288675135 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.288675135 + -0.5 x = 0.288675135 + -0.5 Combine like terms: 0.288675135 + -0.5 = -0.211324865 x = -0.211324865 Simplifying x = -0.211324865

Subproblem 2

x + 0.5 = -0.288675135 Simplifying x + 0.5 = -0.288675135 Reorder the terms: 0.5 + x = -0.288675135 Solving 0.5 + x = -0.288675135 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 = -0.288675135 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.288675135 + -0.5 x = -0.288675135 + -0.5 Combine like terms: -0.288675135 + -0.5 = -0.788675135 x = -0.788675135 Simplifying x = -0.788675135

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.211324865, -0.788675135}

See similar equations:

| 2(5x+1)=3x-9x | | -91-2x=12x+105 | | 7p-70=-21 | | 16x-1=10x-25 | | x/3+2=5 | | .8x+9.41=-.3x+2.91 | | (-5)(7)= | | 9x+6=(-21) | | 3x+(x+7)+3x+(x+7)=(2x+12)+(2x+12)+(2x+12) | | 45=9(e+8) | | .7x-.6x+6=5 | | x+(x+4)+x+(x+4)=x+(x+9)+(x+5) | | 4n-16=-32+6n | | 8y-2-3(y-4)= | | 4+2x=2x | | 4x-4+6x=3x+140-9x | | 6.4x-2.1x=-68.8 | | 30-4n=6-16n | | 9x-5=49 | | 9p+19p=112 | | 13=6x-4 | | 7(10-3w)=5(15-aw) | | 9x-18=45 | | 6(a+3)=2(a+11) | | 6x^2-60x+24=0 | | X^2-8x+22=0 | | X^4-4x^3-y*x^2+6xy+9=0 | | 12-8(x+1)=11-7(x+2) | | x-(5-3)=7x+4 | | 5x+50=7x-10 | | a^2+10ab-39b^2=0 | | x^2-6xy+5y^2=0 |

Equations solver categories