6v^2+11v-9=0

Simple and best practice solution for 6v^2+11v-9=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 6v^2+11v-9=0 equation:


Simplifying
6v2 + 11v + -9 = 0

Reorder the terms:
-9 + 11v + 6v2 = 0

Solving
-9 + 11v + 6v2 = 0

Solving for variable 'v'.

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

Divide each side by '6'.
-1.5 + 1.833333333v + v2 = 0

Move the constant term to the right:

Add '1.5' to each side of the equation.
-1.5 + 1.833333333v + 1.5 + v2 = 0 + 1.5

Reorder the terms:
-1.5 + 1.5 + 1.833333333v + v2 = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 1.833333333v + v2 = 0 + 1.5
1.833333333v + v2 = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
1.833333333v + v2 = 1.5

The v term is 1.833333333v.  Take half its coefficient (0.9166666665).
Square it (0.8402777775) and add it to both sides.

Add '0.8402777775' to each side of the equation.
1.833333333v + 0.8402777775 + v2 = 1.5 + 0.8402777775

Reorder the terms:
0.8402777775 + 1.833333333v + v2 = 1.5 + 0.8402777775

Combine like terms: 1.5 + 0.8402777775 = 2.3402777775
0.8402777775 + 1.833333333v + v2 = 2.3402777775

Factor a perfect square on the left side:
(v + 0.9166666665)(v + 0.9166666665) = 2.3402777775

Calculate the square root of the right side: 1.529796646

Break this problem into two subproblems by setting 
(v + 0.9166666665) equal to 1.529796646 and -1.529796646.

Subproblem 1

v + 0.9166666665 = 1.529796646 Simplifying v + 0.9166666665 = 1.529796646 Reorder the terms: 0.9166666665 + v = 1.529796646 Solving 0.9166666665 + v = 1.529796646 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-0.9166666665' to each side of the equation. 0.9166666665 + -0.9166666665 + v = 1.529796646 + -0.9166666665 Combine like terms: 0.9166666665 + -0.9166666665 = 0.0000000000 0.0000000000 + v = 1.529796646 + -0.9166666665 v = 1.529796646 + -0.9166666665 Combine like terms: 1.529796646 + -0.9166666665 = 0.6131299795 v = 0.6131299795 Simplifying v = 0.6131299795

Subproblem 2

v + 0.9166666665 = -1.529796646 Simplifying v + 0.9166666665 = -1.529796646 Reorder the terms: 0.9166666665 + v = -1.529796646 Solving 0.9166666665 + v = -1.529796646 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-0.9166666665' to each side of the equation. 0.9166666665 + -0.9166666665 + v = -1.529796646 + -0.9166666665 Combine like terms: 0.9166666665 + -0.9166666665 = 0.0000000000 0.0000000000 + v = -1.529796646 + -0.9166666665 v = -1.529796646 + -0.9166666665 Combine like terms: -1.529796646 + -0.9166666665 = -2.4464633125 v = -2.4464633125 Simplifying v = -2.4464633125

Solution

The solution to the problem is based on the solutions from the subproblems. v = {0.6131299795, -2.4464633125}

See similar equations:

| -33-3x=11-9x | | 5w^2-19w-80=0 | | 3x=2(30-x) | | 11/6=33/12 | | 5w^2-19w-18=0 | | 3x=2(x-30) | | 2d-3=d-2 | | 8x+9=6x+10 | | 6v^2+17v+12=0 | | 6w^2+19w+15=0 | | 4x^2y^2-34xy^2-84y^2=0 | | 0=4x^2+12x+5 | | 2x^2+3y^2=6 | | r-30=-20 | | 3y-17+y+7=180 | | 54.5+2x+2=180 | | y+7+3y-17=180 | | 18x(4+5x)=13 | | x+56+y+7=180 | | 2x+2+x+56=180 | | 3x+30=4x+6 | | 6x-12=3x | | 13x-23= | | 4x+17=37 | | 4x+17=r | | 13x-23=9x+33 | | 11x+2=t | | 2.2+1x=26.2 | | 2x^4-6x^2=0 | | x+(4x+30)+2(4x+30)=580 | | r^2+3r=7 | | 3x^3-5x^2-12x=0 |

Equations solver categories