.0078x^2+.059x=627.5-.053

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Solution for .0078x^2+.059x=627.5-.053 equation:


Simplifying
0.0078x2 + 0.059x = 627.5 + -0.053

Reorder the terms:
0.059x + 0.0078x2 = 627.5 + -0.053

Combine like terms: 627.5 + -0.053 = 627.447
0.059x + 0.0078x2 = 627.447

Solving
0.059x + 0.0078x2 = 627.447

Solving for variable 'x'.

Reorder the terms:
-627.447 + 0.059x + 0.0078x2 = 627.447 + -627.447

Combine like terms: 627.447 + -627.447 = 0.000
-627.447 + 0.059x + 0.0078x2 = 0.000

Begin completing the square.  Divide all terms by
0.0078 the coefficient of the squared term: 

Divide each side by '0.0078'.
-80441.92308 + 7.564102564x + x2 = 0

Move the constant term to the right:

Add '80441.92308' to each side of the equation.
-80441.92308 + 7.564102564x + 80441.92308 + x2 = 0 + 80441.92308

Reorder the terms:
-80441.92308 + 80441.92308 + 7.564102564x + x2 = 0 + 80441.92308

Combine like terms: -80441.92308 + 80441.92308 = 0.00000
0.00000 + 7.564102564x + x2 = 0 + 80441.92308
7.564102564x + x2 = 0 + 80441.92308

Combine like terms: 0 + 80441.92308 = 80441.92308
7.564102564x + x2 = 80441.92308

The x term is 7.564102564x.  Take half its coefficient (3.782051282).
Square it (14.30391190) and add it to both sides.

Add '14.30391190' to each side of the equation.
7.564102564x + 14.30391190 + x2 = 80441.92308 + 14.30391190

Reorder the terms:
14.30391190 + 7.564102564x + x2 = 80441.92308 + 14.30391190

Combine like terms: 80441.92308 + 14.30391190 = 80456.2269919
14.30391190 + 7.564102564x + x2 = 80456.2269919

Factor a perfect square on the left side:
(x + 3.782051282)(x + 3.782051282) = 80456.2269919

Calculate the square root of the right side: 283.648068902

Break this problem into two subproblems by setting 
(x + 3.782051282) equal to 283.648068902 and -283.648068902.

Subproblem 1

x + 3.782051282 = 283.648068902 Simplifying x + 3.782051282 = 283.648068902 Reorder the terms: 3.782051282 + x = 283.648068902 Solving 3.782051282 + x = 283.648068902 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.782051282' to each side of the equation. 3.782051282 + -3.782051282 + x = 283.648068902 + -3.782051282 Combine like terms: 3.782051282 + -3.782051282 = 0.000000000 0.000000000 + x = 283.648068902 + -3.782051282 x = 283.648068902 + -3.782051282 Combine like terms: 283.648068902 + -3.782051282 = 279.86601762 x = 279.86601762 Simplifying x = 279.86601762

Subproblem 2

x + 3.782051282 = -283.648068902 Simplifying x + 3.782051282 = -283.648068902 Reorder the terms: 3.782051282 + x = -283.648068902 Solving 3.782051282 + x = -283.648068902 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.782051282' to each side of the equation. 3.782051282 + -3.782051282 + x = -283.648068902 + -3.782051282 Combine like terms: 3.782051282 + -3.782051282 = 0.000000000 0.000000000 + x = -283.648068902 + -3.782051282 x = -283.648068902 + -3.782051282 Combine like terms: -283.648068902 + -3.782051282 = -287.430120184 x = -287.430120184 Simplifying x = -287.430120184

Solution

The solution to the problem is based on the solutions from the subproblems. x = {279.86601762, -287.430120184}

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