-0.008x^2+0.939x-0.975=0

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Solution for -0.008x^2+0.939x-0.975=0 equation:


Simplifying
-0.008x2 + 0.939x + -0.975 = 0

Reorder the terms:
-0.975 + 0.939x + -0.008x2 = 0

Solving
-0.975 + 0.939x + -0.008x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.008 the coefficient of the squared term: 

Divide each side by '-0.008'.
121.875 + -117.375x + x2 = 0

Move the constant term to the right:

Add '-121.875' to each side of the equation.
121.875 + -117.375x + -121.875 + x2 = 0 + -121.875

Reorder the terms:
121.875 + -121.875 + -117.375x + x2 = 0 + -121.875

Combine like terms: 121.875 + -121.875 = 0.000
0.000 + -117.375x + x2 = 0 + -121.875
-117.375x + x2 = 0 + -121.875

Combine like terms: 0 + -121.875 = -121.875
-117.375x + x2 = -121.875

The x term is -117.375x.  Take half its coefficient (-58.6875).
Square it (3444.222656) and add it to both sides.

Add '3444.222656' to each side of the equation.
-117.375x + 3444.222656 + x2 = -121.875 + 3444.222656

Reorder the terms:
3444.222656 + -117.375x + x2 = -121.875 + 3444.222656

Combine like terms: -121.875 + 3444.222656 = 3322.347656
3444.222656 + -117.375x + x2 = 3322.347656

Factor a perfect square on the left side:
(x + -58.6875)(x + -58.6875) = 3322.347656

Calculate the square root of the right side: 57.639809646

Break this problem into two subproblems by setting 
(x + -58.6875) equal to 57.639809646 and -57.639809646.

Subproblem 1

x + -58.6875 = 57.639809646 Simplifying x + -58.6875 = 57.639809646 Reorder the terms: -58.6875 + x = 57.639809646 Solving -58.6875 + x = 57.639809646 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '58.6875' to each side of the equation. -58.6875 + 58.6875 + x = 57.639809646 + 58.6875 Combine like terms: -58.6875 + 58.6875 = 0.0000 0.0000 + x = 57.639809646 + 58.6875 x = 57.639809646 + 58.6875 Combine like terms: 57.639809646 + 58.6875 = 116.327309646 x = 116.327309646 Simplifying x = 116.327309646

Subproblem 2

x + -58.6875 = -57.639809646 Simplifying x + -58.6875 = -57.639809646 Reorder the terms: -58.6875 + x = -57.639809646 Solving -58.6875 + x = -57.639809646 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '58.6875' to each side of the equation. -58.6875 + 58.6875 + x = -57.639809646 + 58.6875 Combine like terms: -58.6875 + 58.6875 = 0.0000 0.0000 + x = -57.639809646 + 58.6875 x = -57.639809646 + 58.6875 Combine like terms: -57.639809646 + 58.6875 = 1.047690354 x = 1.047690354 Simplifying x = 1.047690354

Solution

The solution to the problem is based on the solutions from the subproblems. x = {116.327309646, 1.047690354}

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