80x^2+x-594=0

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Solution for 80x^2+x-594=0 equation:


Simplifying
80x2 + x + -594 = 0

Reorder the terms:
-594 + x + 80x2 = 0

Solving
-594 + x + 80x2 = 0

Solving for variable 'x'.

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

Divide each side by '80'.
-7.425 + 0.0125x + x2 = 0

Move the constant term to the right:

Add '7.425' to each side of the equation.
-7.425 + 0.0125x + 7.425 + x2 = 0 + 7.425

Reorder the terms:
-7.425 + 7.425 + 0.0125x + x2 = 0 + 7.425

Combine like terms: -7.425 + 7.425 = 0.000
0.000 + 0.0125x + x2 = 0 + 7.425
0.0125x + x2 = 0 + 7.425

Combine like terms: 0 + 7.425 = 7.425
0.0125x + x2 = 7.425

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.0125x + 0.25 + x2 = 7.425 + 0.25

Reorder the terms:
0.25 + 0.0125x + x2 = 7.425 + 0.25

Combine like terms: 7.425 + 0.25 = 7.675
0.25 + 0.0125x + x2 = 7.675

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 7.675

Calculate the square root of the right side: 2.770379035

Break this problem into two subproblems by setting 
(x + 0.5) equal to 2.770379035 and -2.770379035.

Subproblem 1

x + 0.5 = 2.770379035 Simplifying x + 0.5 = 2.770379035 Reorder the terms: 0.5 + x = 2.770379035 Solving 0.5 + x = 2.770379035 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 2.770379035 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 2.770379035 + -0.5 x = 2.770379035 + -0.5 Combine like terms: 2.770379035 + -0.5 = 2.270379035 x = 2.270379035 Simplifying x = 2.270379035

Subproblem 2

x + 0.5 = -2.770379035 Simplifying x + 0.5 = -2.770379035 Reorder the terms: 0.5 + x = -2.770379035 Solving 0.5 + x = -2.770379035 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -2.770379035 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -2.770379035 + -0.5 x = -2.770379035 + -0.5 Combine like terms: -2.770379035 + -0.5 = -3.270379035 x = -3.270379035 Simplifying x = -3.270379035

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.270379035, -3.270379035}

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