12n^2-12n=11

Simple and best practice solution for 12n^2-12n=11 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 12n^2-12n=11 equation:


Simplifying
12n2 + -12n = 11

Reorder the terms:
-12n + 12n2 = 11

Solving
-12n + 12n2 = 11

Solving for variable 'n'.

Reorder the terms:
-11 + -12n + 12n2 = 11 + -11

Combine like terms: 11 + -11 = 0
-11 + -12n + 12n2 = 0

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

Divide each side by '12'.
-0.9166666667 + -1n + n2 = 0

Move the constant term to the right:

Add '0.9166666667' to each side of the equation.
-0.9166666667 + -1n + 0.9166666667 + n2 = 0 + 0.9166666667

Reorder the terms:
-0.9166666667 + 0.9166666667 + -1n + n2 = 0 + 0.9166666667

Combine like terms: -0.9166666667 + 0.9166666667 = 0.0000000000
0.0000000000 + -1n + n2 = 0 + 0.9166666667
-1n + n2 = 0 + 0.9166666667

Combine like terms: 0 + 0.9166666667 = 0.9166666667
-1n + n2 = 0.9166666667

The n term is -1n.  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.
-1n + 0.25 + n2 = 0.9166666667 + 0.25

Reorder the terms:
0.25 + -1n + n2 = 0.9166666667 + 0.25

Combine like terms: 0.9166666667 + 0.25 = 1.1666666667
0.25 + -1n + n2 = 1.1666666667

Factor a perfect square on the left side:
(n + -0.5)(n + -0.5) = 1.1666666667

Calculate the square root of the right side: 1.08012345

Break this problem into two subproblems by setting 
(n + -0.5) equal to 1.08012345 and -1.08012345.

Subproblem 1

n + -0.5 = 1.08012345 Simplifying n + -0.5 = 1.08012345 Reorder the terms: -0.5 + n = 1.08012345 Solving -0.5 + n = 1.08012345 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + n = 1.08012345 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + n = 1.08012345 + 0.5 n = 1.08012345 + 0.5 Combine like terms: 1.08012345 + 0.5 = 1.58012345 n = 1.58012345 Simplifying n = 1.58012345

Subproblem 2

n + -0.5 = -1.08012345 Simplifying n + -0.5 = -1.08012345 Reorder the terms: -0.5 + n = -1.08012345 Solving -0.5 + n = -1.08012345 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + n = -1.08012345 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + n = -1.08012345 + 0.5 n = -1.08012345 + 0.5 Combine like terms: -1.08012345 + 0.5 = -0.58012345 n = -0.58012345 Simplifying n = -0.58012345

Solution

The solution to the problem is based on the solutions from the subproblems. n = {1.58012345, -0.58012345}

See similar equations:

| n/5=-14 | | 5y^2-3y=1 | | x^2+81=36 | | 4y-5-9y=33-22y | | x^2-x-0.75=0 | | -20-15/(-5) | | m^2-63=0 | | 4p^2-19p-63=0 | | 9-3x-6-7x=5 | | 3x+6x+7=9x-19 | | 6i/(4-6i) | | 2x+8y-1=0 | | n+2n=-14-n | | 6+8k=7k-1 | | w(x-(y+z))= | | 5(a-1)+4(a-1)= | | 5x-2+3x=12x-23 | | 4x^2-51x+147=0 | | 22x=130 | | 8y+2x=0 | | 247=11x | | x^2-0.5x+0.06=0 | | 4x^2+43x+57=0 | | 2x+10=4(x-6) | | 1/4*n=1/3*n | | -10-0.5x=-40 | | 9t=4t-20 | | 2a-4a=1 | | 2(p-1)=5(p+2) | | 2x/2x+5 | | 2(3m+5)=16+3(m+2) | | 3p-1=8p+9 |

Equations solver categories