-.0004x^2+0.148x-0.191=0

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Solution for -.0004x^2+0.148x-0.191=0 equation:


Simplifying
-0.0004x2 + 0.148x + -0.191 = 0

Reorder the terms:
-0.191 + 0.148x + -0.0004x2 = 0

Solving
-0.191 + 0.148x + -0.0004x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.0004 the coefficient of the squared term: 

Divide each side by '-0.0004'.
477.5 + -370x + x2 = 0

Move the constant term to the right:

Add '-477.5' to each side of the equation.
477.5 + -370x + -477.5 + x2 = 0 + -477.5

Reorder the terms:
477.5 + -477.5 + -370x + x2 = 0 + -477.5

Combine like terms: 477.5 + -477.5 = 0.0
0.0 + -370x + x2 = 0 + -477.5
-370x + x2 = 0 + -477.5

Combine like terms: 0 + -477.5 = -477.5
-370x + x2 = -477.5

The x term is -370x.  Take half its coefficient (-185).
Square it (34225) and add it to both sides.

Add '34225' to each side of the equation.
-370x + 34225 + x2 = -477.5 + 34225

Reorder the terms:
34225 + -370x + x2 = -477.5 + 34225

Combine like terms: -477.5 + 34225 = 33747.5
34225 + -370x + x2 = 33747.5

Factor a perfect square on the left side:
(x + -185)(x + -185) = 33747.5

Calculate the square root of the right side: 183.704926445

Break this problem into two subproblems by setting 
(x + -185) equal to 183.704926445 and -183.704926445.

Subproblem 1

x + -185 = 183.704926445 Simplifying x + -185 = 183.704926445 Reorder the terms: -185 + x = 183.704926445 Solving -185 + x = 183.704926445 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '185' to each side of the equation. -185 + 185 + x = 183.704926445 + 185 Combine like terms: -185 + 185 = 0 0 + x = 183.704926445 + 185 x = 183.704926445 + 185 Combine like terms: 183.704926445 + 185 = 368.704926445 x = 368.704926445 Simplifying x = 368.704926445

Subproblem 2

x + -185 = -183.704926445 Simplifying x + -185 = -183.704926445 Reorder the terms: -185 + x = -183.704926445 Solving -185 + x = -183.704926445 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '185' to each side of the equation. -185 + 185 + x = -183.704926445 + 185 Combine like terms: -185 + 185 = 0 0 + x = -183.704926445 + 185 x = -183.704926445 + 185 Combine like terms: -183.704926445 + 185 = 1.295073555 x = 1.295073555 Simplifying x = 1.295073555

Solution

The solution to the problem is based on the solutions from the subproblems. x = {368.704926445, 1.295073555}

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