40000=8.2x^2+1341x

Simple and best practice solution for 40000=8.2x^2+1341x 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 40000=8.2x^2+1341x equation:


Simplifying
40000 = 8.2x2 + 1341x

Reorder the terms:
40000 = 1341x + 8.2x2

Solving
40000 = 1341x + 8.2x2

Solving for variable 'x'.

Reorder the terms:
40000 + -1341x + -8.2x2 = 1341x + -1341x + 8.2x2 + -8.2x2

Combine like terms: 1341x + -1341x = 0
40000 + -1341x + -8.2x2 = 0 + 8.2x2 + -8.2x2
40000 + -1341x + -8.2x2 = 8.2x2 + -8.2x2

Combine like terms: 8.2x2 + -8.2x2 = 0.0
40000 + -1341x + -8.2x2 = 0.0

Begin completing the square.  Divide all terms by
-8.2 the coefficient of the squared term: 

Divide each side by '-8.2'.
-4878.04878 + 163.5365854x + x2 = 0

Move the constant term to the right:

Add '4878.04878' to each side of the equation.
-4878.04878 + 163.5365854x + 4878.04878 + x2 = 0 + 4878.04878

Reorder the terms:
-4878.04878 + 4878.04878 + 163.5365854x + x2 = 0 + 4878.04878

Combine like terms: -4878.04878 + 4878.04878 = 0.00000
0.00000 + 163.5365854x + x2 = 0 + 4878.04878
163.5365854x + x2 = 0 + 4878.04878

Combine like terms: 0 + 4878.04878 = 4878.04878
163.5365854x + x2 = 4878.04878

The x term is 163.5365854x.  Take half its coefficient (81.7682927).
Square it (6686.053691) and add it to both sides.

Add '6686.053691' to each side of the equation.
163.5365854x + 6686.053691 + x2 = 4878.04878 + 6686.053691

Reorder the terms:
6686.053691 + 163.5365854x + x2 = 4878.04878 + 6686.053691

Combine like terms: 4878.04878 + 6686.053691 = 11564.102471
6686.053691 + 163.5365854x + x2 = 11564.102471

Factor a perfect square on the left side:
(x + 81.7682927)(x + 81.7682927) = 11564.102471

Calculate the square root of the right side: 107.536516919

Break this problem into two subproblems by setting 
(x + 81.7682927) equal to 107.536516919 and -107.536516919.

Subproblem 1

x + 81.7682927 = 107.536516919 Simplifying x + 81.7682927 = 107.536516919 Reorder the terms: 81.7682927 + x = 107.536516919 Solving 81.7682927 + x = 107.536516919 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-81.7682927' to each side of the equation. 81.7682927 + -81.7682927 + x = 107.536516919 + -81.7682927 Combine like terms: 81.7682927 + -81.7682927 = 0.0000000 0.0000000 + x = 107.536516919 + -81.7682927 x = 107.536516919 + -81.7682927 Combine like terms: 107.536516919 + -81.7682927 = 25.768224219 x = 25.768224219 Simplifying x = 25.768224219

Subproblem 2

x + 81.7682927 = -107.536516919 Simplifying x + 81.7682927 = -107.536516919 Reorder the terms: 81.7682927 + x = -107.536516919 Solving 81.7682927 + x = -107.536516919 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-81.7682927' to each side of the equation. 81.7682927 + -81.7682927 + x = -107.536516919 + -81.7682927 Combine like terms: 81.7682927 + -81.7682927 = 0.0000000 0.0000000 + x = -107.536516919 + -81.7682927 x = -107.536516919 + -81.7682927 Combine like terms: -107.536516919 + -81.7682927 = -189.304809619 x = -189.304809619 Simplifying x = -189.304809619

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.768224219, -189.304809619}

See similar equations:

| 3(5e-8)= | | (c-10)/5=-10 | | 4(9y-11)+7(10+y)=112 | | forqM=2P+3Q | | 6x=188 | | 291+11x= | | 6(x+2)+14=6(x+4)+12 | | 3x+5(10x-2)=573 | | 291+11= | | 42=3n+0.5n | | 6a+3b-8a+2b= | | x/4-8=7/8 | | (4y+8)+(6y+9)=47 | | 0.5x+4=(x+20)0.4 | | 3(11x-6)+7(10+x)=252 | | 3x+8-6x=12-14x+11x-4 | | 0.5x+4=(x+10)0.4 | | 134*5= | | X-93=90 | | (11z+10)+(4z-3)=82 | | (A+1)(a+2)=o | | 0=-16t^2+vt+5 | | 4x+3x-10=60 | | 15*0.4761904762-15*2.238095238y+5+25y+5=36*0.4761904762-36*2.238095238y+72y | | 4.5(x+27)=1.5x+72 | | 5x+2=11x+9 | | 1.3(2x-4)+5=-2.3(x+1) | | X-93=x-93 | | 10/h=3 | | Log[2](9x+2)=2 | | 15*0.4761904762-2.238095238y+5+25y+5=36*0.4761904762-2.238095238y+72y | | 8lnx=4x-4 |

Equations solver categories