x^2-400x+8600=

Simple and best practice solution for x^2-400x+8600= 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 x^2-400x+8600= equation:


Simplifying
x2 + -400x + 8600 = 0

Reorder the terms:
8600 + -400x + x2 = 0

Solving
8600 + -400x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-8600' to each side of the equation.
8600 + -400x + -8600 + x2 = 0 + -8600

Reorder the terms:
8600 + -8600 + -400x + x2 = 0 + -8600

Combine like terms: 8600 + -8600 = 0
0 + -400x + x2 = 0 + -8600
-400x + x2 = 0 + -8600

Combine like terms: 0 + -8600 = -8600
-400x + x2 = -8600

The x term is -400x.  Take half its coefficient (-200).
Square it (40000) and add it to both sides.

Add '40000' to each side of the equation.
-400x + 40000 + x2 = -8600 + 40000

Reorder the terms:
40000 + -400x + x2 = -8600 + 40000

Combine like terms: -8600 + 40000 = 31400
40000 + -400x + x2 = 31400

Factor a perfect square on the left side:
(x + -200)(x + -200) = 31400

Calculate the square root of the right side: 177.200451467

Break this problem into two subproblems by setting 
(x + -200) equal to 177.200451467 and -177.200451467.

Subproblem 1

x + -200 = 177.200451467 Simplifying x + -200 = 177.200451467 Reorder the terms: -200 + x = 177.200451467 Solving -200 + x = 177.200451467 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '200' to each side of the equation. -200 + 200 + x = 177.200451467 + 200 Combine like terms: -200 + 200 = 0 0 + x = 177.200451467 + 200 x = 177.200451467 + 200 Combine like terms: 177.200451467 + 200 = 377.200451467 x = 377.200451467 Simplifying x = 377.200451467

Subproblem 2

x + -200 = -177.200451467 Simplifying x + -200 = -177.200451467 Reorder the terms: -200 + x = -177.200451467 Solving -200 + x = -177.200451467 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '200' to each side of the equation. -200 + 200 + x = -177.200451467 + 200 Combine like terms: -200 + 200 = 0 0 + x = -177.200451467 + 200 x = -177.200451467 + 200 Combine like terms: -177.200451467 + 200 = 22.799548533 x = 22.799548533 Simplifying x = 22.799548533

Solution

The solution to the problem is based on the solutions from the subproblems. x = {377.200451467, 22.799548533}

See similar equations:

| 8n=(9n-5) | | -x-168=11x+108 | | 2x-105=-4x+51 | | 7x+9=4x-9 | | 5=6w | | 56+3j=-23 | | 5y=-3(x+2) | | 1+y+(-1)-(-1)-(-1)=3+y-1-(-y) | | m(x+2n)=p | | 8(x-5)=14x-2 | | 9(79+69)=9(79+69) | | -12.6=-16.38 | | 8x^2-24*x=0 | | 8u=7+8u | | x(m+2n)=p | | -6k-8=-5k-6 | | 0-0=0-0 | | 4a-12-3a+12= | | 18d=-35 | | 6s=6s+3 | | g-2.1=-6.8 | | -6-9w=-9w-6 | | -6(7+9)9= | | 5pm-14=8p+4 | | -5y=1 | | 10x+5y=400 | | 20x=3+5 | | 1+(-3)-(-2x)=-x+(-3)-2-x | | tan^2x+2tanx=-1 | | 25x-21=11x+21 | | y+7x=45 | | 5(a^2+b)+4(a+b)= |

Equations solver categories