19000=x^2+x+800

Simple and best practice solution for 19000=x^2+x+800 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 19000=x^2+x+800 equation:


Simplifying
19000 = x2 + x + 800

Reorder the terms:
19000 = 800 + x + x2

Solving
19000 = 800 + x + x2

Solving for variable 'x'.

Combine like terms: 19000 + -800 = 18200
18200 + -1x + -1x2 = 800 + x + x2 + -800 + -1x + -1x2

Reorder the terms:
18200 + -1x + -1x2 = 800 + -800 + x + -1x + x2 + -1x2

Combine like terms: 800 + -800 = 0
18200 + -1x + -1x2 = 0 + x + -1x + x2 + -1x2
18200 + -1x + -1x2 = x + -1x + x2 + -1x2

Combine like terms: x + -1x = 0
18200 + -1x + -1x2 = 0 + x2 + -1x2
18200 + -1x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
18200 + -1x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-18200 + x + x2 = 0

Move the constant term to the right:

Add '18200' to each side of the equation.
-18200 + x + 18200 + x2 = 0 + 18200

Reorder the terms:
-18200 + 18200 + x + x2 = 0 + 18200

Combine like terms: -18200 + 18200 = 0
0 + x + x2 = 0 + 18200
x + x2 = 0 + 18200

Combine like terms: 0 + 18200 = 18200
x + x2 = 18200

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 = 18200 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = 18200 + 0.25

Combine like terms: 18200 + 0.25 = 18200.25
1.25 + x2 = 18200.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 18200.25

Calculate the square root of the right side: 134.908302191

Break this problem into two subproblems by setting 
(x + 0.5) equal to 134.908302191 and -134.908302191.

Subproblem 1

x + 0.5 = 134.908302191 Simplifying x + 0.5 = 134.908302191 Reorder the terms: 0.5 + x = 134.908302191 Solving 0.5 + x = 134.908302191 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 = 134.908302191 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 134.908302191 + -0.5 x = 134.908302191 + -0.5 Combine like terms: 134.908302191 + -0.5 = 134.408302191 x = 134.408302191 Simplifying x = 134.408302191

Subproblem 2

x + 0.5 = -134.908302191 Simplifying x + 0.5 = -134.908302191 Reorder the terms: 0.5 + x = -134.908302191 Solving 0.5 + x = -134.908302191 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 = -134.908302191 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -134.908302191 + -0.5 x = -134.908302191 + -0.5 Combine like terms: -134.908302191 + -0.5 = -135.408302191 x = -135.408302191 Simplifying x = -135.408302191

Solution

The solution to the problem is based on the solutions from the subproblems. x = {134.408302191, -135.408302191}

See similar equations:

| 9r^2+9=25 | | 65+.10x=35+.20x | | -22-2x=6(-1-x) | | 10-3(d-2)=14 | | F(x)=6+7x | | xsquared+16x-80=0 | | (Z-5)(z-7)+(z-5)(z+9)= | | 8a-39=-a-4(1-4a) | | 7n-(5+6n)=4 | | 2(3x-2)=6 | | -3y=-x+7 | | 2p^2+5=175 | | 14x+9=7x+9 | | -4x+3=-2 | | -54-u-2u=-10 | | d-8=28 | | 16k=8 | | 10-6y=6 | | 2(x-1)=-7+2x | | 9+2x=9+2 | | X-13=(.5x)+12 | | 4x-5y=78 | | 0=48-50n-7n^2 | | 5(n+3)-2n=-21 | | 40-6x=40 | | -0.5(20x-10)-2=13 | | 4x-5x=78 | | -7r-14.5=1/4r | | 5x+20-3x=2x^2+8x | | 3(y+2)+6y=51 | | 20x=32-7x^2 | | 3(6.5+7v)=-22.5 |

Equations solver categories