500x^2+50x-33=0

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Solution for 500x^2+50x-33=0 equation:


Simplifying
500x2 + 50x + -33 = 0

Reorder the terms:
-33 + 50x + 500x2 = 0

Solving
-33 + 50x + 500x2 = 0

Solving for variable 'x'.

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

Divide each side by '500'.
-0.066 + 0.1x + x2 = 0

Move the constant term to the right:

Add '0.066' to each side of the equation.
-0.066 + 0.1x + 0.066 + x2 = 0 + 0.066

Reorder the terms:
-0.066 + 0.066 + 0.1x + x2 = 0 + 0.066

Combine like terms: -0.066 + 0.066 = 0.000
0.000 + 0.1x + x2 = 0 + 0.066
0.1x + x2 = 0 + 0.066

Combine like terms: 0 + 0.066 = 0.066
0.1x + x2 = 0.066

The x term is 0.1x.  Take half its coefficient (0.05).
Square it (0.0025) and add it to both sides.

Add '0.0025' to each side of the equation.
0.1x + 0.0025 + x2 = 0.066 + 0.0025

Reorder the terms:
0.0025 + 0.1x + x2 = 0.066 + 0.0025

Combine like terms: 0.066 + 0.0025 = 0.0685
0.0025 + 0.1x + x2 = 0.0685

Factor a perfect square on the left side:
(x + 0.05)(x + 0.05) = 0.0685

Calculate the square root of the right side: 0.261725047

Break this problem into two subproblems by setting 
(x + 0.05) equal to 0.261725047 and -0.261725047.

Subproblem 1

x + 0.05 = 0.261725047 Simplifying x + 0.05 = 0.261725047 Reorder the terms: 0.05 + x = 0.261725047 Solving 0.05 + x = 0.261725047 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.05' to each side of the equation. 0.05 + -0.05 + x = 0.261725047 + -0.05 Combine like terms: 0.05 + -0.05 = 0.00 0.00 + x = 0.261725047 + -0.05 x = 0.261725047 + -0.05 Combine like terms: 0.261725047 + -0.05 = 0.211725047 x = 0.211725047 Simplifying x = 0.211725047

Subproblem 2

x + 0.05 = -0.261725047 Simplifying x + 0.05 = -0.261725047 Reorder the terms: 0.05 + x = -0.261725047 Solving 0.05 + x = -0.261725047 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.05' to each side of the equation. 0.05 + -0.05 + x = -0.261725047 + -0.05 Combine like terms: 0.05 + -0.05 = 0.00 0.00 + x = -0.261725047 + -0.05 x = -0.261725047 + -0.05 Combine like terms: -0.261725047 + -0.05 = -0.311725047 x = -0.311725047 Simplifying x = -0.311725047

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.211725047, -0.311725047}

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