n^2+n-18000=0

Simple and best practice solution for n^2+n-18000=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 n^2+n-18000=0 equation:


Simplifying
n2 + n + -18000 = 0

Reorder the terms:
-18000 + n + n2 = 0

Solving
-18000 + n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '18000' to each side of the equation.
-18000 + n + 18000 + n2 = 0 + 18000

Reorder the terms:
-18000 + 18000 + n + n2 = 0 + 18000

Combine like terms: -18000 + 18000 = 0
0 + n + n2 = 0 + 18000
n + n2 = 0 + 18000

Combine like terms: 0 + 18000 = 18000
n + n2 = 18000

The n term is n.  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.
n + 0.25 + n2 = 18000 + 0.25

Reorder the terms:
0.25 + n + n2 = 18000 + 0.25

Combine like terms: 18000 + 0.25 = 18000.25
0.25 + n + n2 = 18000.25

Factor a perfect square on the left side:
(n + 0.5)(n + 0.5) = 18000.25

Calculate the square root of the right side: 134.165010342

Break this problem into two subproblems by setting 
(n + 0.5) equal to 134.165010342 and -134.165010342.

Subproblem 1

n + 0.5 = 134.165010342 Simplifying n + 0.5 = 134.165010342 Reorder the terms: 0.5 + n = 134.165010342 Solving 0.5 + n = 134.165010342 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 = 134.165010342 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + n = 134.165010342 + -0.5 n = 134.165010342 + -0.5 Combine like terms: 134.165010342 + -0.5 = 133.665010342 n = 133.665010342 Simplifying n = 133.665010342

Subproblem 2

n + 0.5 = -134.165010342 Simplifying n + 0.5 = -134.165010342 Reorder the terms: 0.5 + n = -134.165010342 Solving 0.5 + n = -134.165010342 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 = -134.165010342 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + n = -134.165010342 + -0.5 n = -134.165010342 + -0.5 Combine like terms: -134.165010342 + -0.5 = -134.665010342 n = -134.665010342 Simplifying n = -134.665010342

Solution

The solution to the problem is based on the solutions from the subproblems. n = {133.665010342, -134.665010342}

See similar equations:

| 4x-x=2x-12 | | lg(x^2-0.9)=-1 | | x^2=-0.1 | | x^2+18=82 | | 9x+2y=39 | | 9x+2y=392y | | 15.63/4.2=37214 | | X+X+3=20 | | 42+x+y=218 | | 7x-5=x-1 | | 10b=-8 | | 6w-y=2g | | 6+6-10=-14+-16 | | 2x=-14x+7 | | n-39=7 | | 2t^2-9t+12= | | 2y+9=30 | | cos(x)=-0.9 | | 7/125/1000= | | 6-7x-3=-37+4x-15 | | (7)125/1000= | | -4x-11=3x+24 | | 4t^2-18t+24= | | 6x+12=(6x+12)-5x | | -3.6=0.4-2y | | 9k^2+49k=0 | | 2h^2-9h-18=0 | | 3(3x-5)+2(5x+4)=0 | | 3x-11=a+15 | | 8+10t-5t^2=h | | 2x+20x+30x=0 | | h^8+v^10t-5t^2=80 |

Equations solver categories