3250x^2+5489x+5212=91000

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Solution for 3250x^2+5489x+5212=91000 equation:


Simplifying
3250x2 + 5489x + 5212 = 91000

Reorder the terms:
5212 + 5489x + 3250x2 = 91000

Solving
5212 + 5489x + 3250x2 = 91000

Solving for variable 'x'.

Reorder the terms:
5212 + -91000 + 5489x + 3250x2 = 91000 + -91000

Combine like terms: 5212 + -91000 = -85788
-85788 + 5489x + 3250x2 = 91000 + -91000

Combine like terms: 91000 + -91000 = 0
-85788 + 5489x + 3250x2 = 0

Begin completing the square.  Divide all terms by
3250 the coefficient of the squared term: 

Divide each side by '3250'.
-26.39630769 + 1.688923077x + x2 = 0

Move the constant term to the right:

Add '26.39630769' to each side of the equation.
-26.39630769 + 1.688923077x + 26.39630769 + x2 = 0 + 26.39630769

Reorder the terms:
-26.39630769 + 26.39630769 + 1.688923077x + x2 = 0 + 26.39630769

Combine like terms: -26.39630769 + 26.39630769 = 0.00000000
0.00000000 + 1.688923077x + x2 = 0 + 26.39630769
1.688923077x + x2 = 0 + 26.39630769

Combine like terms: 0 + 26.39630769 = 26.39630769
1.688923077x + x2 = 26.39630769

The x term is 1.688923077x.  Take half its coefficient (0.8444615385).
Square it (0.7131152900) and add it to both sides.

Add '0.7131152900' to each side of the equation.
1.688923077x + 0.7131152900 + x2 = 26.39630769 + 0.7131152900

Reorder the terms:
0.7131152900 + 1.688923077x + x2 = 26.39630769 + 0.7131152900

Combine like terms: 26.39630769 + 0.7131152900 = 27.10942298
0.7131152900 + 1.688923077x + x2 = 27.10942298

Factor a perfect square on the left side:
(x + 0.8444615385)(x + 0.8444615385) = 27.10942298

Calculate the square root of the right side: 5.206671007

Break this problem into two subproblems by setting 
(x + 0.8444615385) equal to 5.206671007 and -5.206671007.

Subproblem 1

x + 0.8444615385 = 5.206671007 Simplifying x + 0.8444615385 = 5.206671007 Reorder the terms: 0.8444615385 + x = 5.206671007 Solving 0.8444615385 + x = 5.206671007 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8444615385' to each side of the equation. 0.8444615385 + -0.8444615385 + x = 5.206671007 + -0.8444615385 Combine like terms: 0.8444615385 + -0.8444615385 = 0.0000000000 0.0000000000 + x = 5.206671007 + -0.8444615385 x = 5.206671007 + -0.8444615385 Combine like terms: 5.206671007 + -0.8444615385 = 4.3622094685 x = 4.3622094685 Simplifying x = 4.3622094685

Subproblem 2

x + 0.8444615385 = -5.206671007 Simplifying x + 0.8444615385 = -5.206671007 Reorder the terms: 0.8444615385 + x = -5.206671007 Solving 0.8444615385 + x = -5.206671007 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8444615385' to each side of the equation. 0.8444615385 + -0.8444615385 + x = -5.206671007 + -0.8444615385 Combine like terms: 0.8444615385 + -0.8444615385 = 0.0000000000 0.0000000000 + x = -5.206671007 + -0.8444615385 x = -5.206671007 + -0.8444615385 Combine like terms: -5.206671007 + -0.8444615385 = -6.0511325455 x = -6.0511325455 Simplifying x = -6.0511325455

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.3622094685, -6.0511325455}

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