8200(x)=x^2-11x+40

Simple and best practice solution for 8200(x)=x^2-11x+40 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 8200(x)=x^2-11x+40 equation:


Simplifying
8200(x) = x2 + -11x + 40

Reorder the terms:
8200x = 40 + -11x + x2

Solving
8200x = 40 + -11x + x2

Solving for variable 'x'.

Reorder the terms:
-40 + 8200x + 11x + -1x2 = 40 + -11x + x2 + -40 + 11x + -1x2

Combine like terms: 8200x + 11x = 8211x
-40 + 8211x + -1x2 = 40 + -11x + x2 + -40 + 11x + -1x2

Reorder the terms:
-40 + 8211x + -1x2 = 40 + -40 + -11x + 11x + x2 + -1x2

Combine like terms: 40 + -40 = 0
-40 + 8211x + -1x2 = 0 + -11x + 11x + x2 + -1x2
-40 + 8211x + -1x2 = -11x + 11x + x2 + -1x2

Combine like terms: -11x + 11x = 0
-40 + 8211x + -1x2 = 0 + x2 + -1x2
-40 + 8211x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-40 + 8211x + -1x2 = 0

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

Divide each side by '-1'.
40 + -8211x + x2 = 0

Move the constant term to the right:

Add '-40' to each side of the equation.
40 + -8211x + -40 + x2 = 0 + -40

Reorder the terms:
40 + -40 + -8211x + x2 = 0 + -40

Combine like terms: 40 + -40 = 0
0 + -8211x + x2 = 0 + -40
-8211x + x2 = 0 + -40

Combine like terms: 0 + -40 = -40
-8211x + x2 = -40

The x term is -8211x.  Take half its coefficient (-4105.5).
Square it (16855130.25) and add it to both sides.

Add '16855130.25' to each side of the equation.
-8211x + 16855130.25 + x2 = -40 + 16855130.25

Reorder the terms:
16855130.25 + -8211x + x2 = -40 + 16855130.25

Combine like terms: -40 + 16855130.25 = 16855090.25
16855130.25 + -8211x + x2 = 16855090.25

Factor a perfect square on the left side:
(x + -4105.5)(x + -4105.5) = 16855090.25

Calculate the square root of the right side: 4105.495128483

Break this problem into two subproblems by setting 
(x + -4105.5) equal to 4105.495128483 and -4105.495128483.

Subproblem 1

x + -4105.5 = 4105.495128483 Simplifying x + -4105.5 = 4105.495128483 Reorder the terms: -4105.5 + x = 4105.495128483 Solving -4105.5 + x = 4105.495128483 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4105.5' to each side of the equation. -4105.5 + 4105.5 + x = 4105.495128483 + 4105.5 Combine like terms: -4105.5 + 4105.5 = 0.0 0.0 + x = 4105.495128483 + 4105.5 x = 4105.495128483 + 4105.5 Combine like terms: 4105.495128483 + 4105.5 = 8210.995128483 x = 8210.995128483 Simplifying x = 8210.995128483

Subproblem 2

x + -4105.5 = -4105.495128483 Simplifying x + -4105.5 = -4105.495128483 Reorder the terms: -4105.5 + x = -4105.495128483 Solving -4105.5 + x = -4105.495128483 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4105.5' to each side of the equation. -4105.5 + 4105.5 + x = -4105.495128483 + 4105.5 Combine like terms: -4105.5 + 4105.5 = 0.0 0.0 + x = -4105.495128483 + 4105.5 x = -4105.495128483 + 4105.5 Combine like terms: -4105.495128483 + 4105.5 = 0.004871517 x = 0.004871517 Simplifying x = 0.004871517

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8210.995128483, 0.004871517}

See similar equations:

| -4x-9=-7x-45 | | 8(2w-6)+4(1-5w)=0 | | 56-x=240 | | x=((y-3)-20)/4 | | c(x)=x^2-11x+40 | | 48c^2-88c+4224=0 | | 2*0=x+4 | | 8-r^3=0 | | 0.12*d=0.60 | | 5+5x=3x+3 | | 48x^2-88x+4224= | | 1-3x=-4x-10 | | 4*0=x+8 | | 4y=0+8 | | 3x^2+2y^2-11=z | | 2.5g=500+.35g | | y-(-6)=(-7)(x-0) | | 3x+2z=10 | | 4+5x=-2x+22 | | 6(x+5)=70 | | x-16=38 | | 2x^2-17x=5x^2-4x-6 | | 8+7x=5x-16 | | 2x^2+10x+200=0 | | 18.10*p=45.25 | | 12=b(6) | | 4x^2+2x-15=30-29x | | 0.4(5x-25)+0.5(4x+2)= | | 10y+5x=20 | | 0.40(5x-25)+0.50(4x+2)= | | 5(x-3)+2x=40 | | 8z=18-34 |

Equations solver categories