-.0384x^2+1.7664x-1.31=0

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Solution for -.0384x^2+1.7664x-1.31=0 equation:


Simplifying
-0.0384x2 + 1.7664x + -1.31 = 0

Reorder the terms:
-1.31 + 1.7664x + -0.0384x2 = 0

Solving
-1.31 + 1.7664x + -0.0384x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.0384 the coefficient of the squared term: 

Divide each side by '-0.0384'.
34.11458333 + -46x + x2 = 0

Move the constant term to the right:

Add '-34.11458333' to each side of the equation.
34.11458333 + -46x + -34.11458333 + x2 = 0 + -34.11458333

Reorder the terms:
34.11458333 + -34.11458333 + -46x + x2 = 0 + -34.11458333

Combine like terms: 34.11458333 + -34.11458333 = 0.00000000
0.00000000 + -46x + x2 = 0 + -34.11458333
-46x + x2 = 0 + -34.11458333

Combine like terms: 0 + -34.11458333 = -34.11458333
-46x + x2 = -34.11458333

The x term is -46x.  Take half its coefficient (-23).
Square it (529) and add it to both sides.

Add '529' to each side of the equation.
-46x + 529 + x2 = -34.11458333 + 529

Reorder the terms:
529 + -46x + x2 = -34.11458333 + 529

Combine like terms: -34.11458333 + 529 = 494.88541667
529 + -46x + x2 = 494.88541667

Factor a perfect square on the left side:
(x + -23)(x + -23) = 494.88541667

Calculate the square root of the right side: 22.246020243

Break this problem into two subproblems by setting 
(x + -23) equal to 22.246020243 and -22.246020243.

Subproblem 1

x + -23 = 22.246020243 Simplifying x + -23 = 22.246020243 Reorder the terms: -23 + x = 22.246020243 Solving -23 + x = 22.246020243 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '23' to each side of the equation. -23 + 23 + x = 22.246020243 + 23 Combine like terms: -23 + 23 = 0 0 + x = 22.246020243 + 23 x = 22.246020243 + 23 Combine like terms: 22.246020243 + 23 = 45.246020243 x = 45.246020243 Simplifying x = 45.246020243

Subproblem 2

x + -23 = -22.246020243 Simplifying x + -23 = -22.246020243 Reorder the terms: -23 + x = -22.246020243 Solving -23 + x = -22.246020243 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '23' to each side of the equation. -23 + 23 + x = -22.246020243 + 23 Combine like terms: -23 + 23 = 0 0 + x = -22.246020243 + 23 x = -22.246020243 + 23 Combine like terms: -22.246020243 + 23 = 0.753979757 x = 0.753979757 Simplifying x = 0.753979757

Solution

The solution to the problem is based on the solutions from the subproblems. x = {45.246020243, 0.753979757}

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