20x^2+127x+33=0

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Solution for 20x^2+127x+33=0 equation:


Simplifying
20x2 + 127x + 33 = 0

Reorder the terms:
33 + 127x + 20x2 = 0

Solving
33 + 127x + 20x2 = 0

Solving for variable 'x'.

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

Divide each side by '20'.
1.65 + 6.35x + x2 = 0

Move the constant term to the right:

Add '-1.65' to each side of the equation.
1.65 + 6.35x + -1.65 + x2 = 0 + -1.65

Reorder the terms:
1.65 + -1.65 + 6.35x + x2 = 0 + -1.65

Combine like terms: 1.65 + -1.65 = 0.00
0.00 + 6.35x + x2 = 0 + -1.65
6.35x + x2 = 0 + -1.65

Combine like terms: 0 + -1.65 = -1.65
6.35x + x2 = -1.65

The x term is 6.35x.  Take half its coefficient (3.175).
Square it (10.080625) and add it to both sides.

Add '10.080625' to each side of the equation.
6.35x + 10.080625 + x2 = -1.65 + 10.080625

Reorder the terms:
10.080625 + 6.35x + x2 = -1.65 + 10.080625

Combine like terms: -1.65 + 10.080625 = 8.430625
10.080625 + 6.35x + x2 = 8.430625

Factor a perfect square on the left side:
(x + 3.175)(x + 3.175) = 8.430625

Calculate the square root of the right side: 2.903553857

Break this problem into two subproblems by setting 
(x + 3.175) equal to 2.903553857 and -2.903553857.

Subproblem 1

x + 3.175 = 2.903553857 Simplifying x + 3.175 = 2.903553857 Reorder the terms: 3.175 + x = 2.903553857 Solving 3.175 + x = 2.903553857 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.175' to each side of the equation. 3.175 + -3.175 + x = 2.903553857 + -3.175 Combine like terms: 3.175 + -3.175 = 0.000 0.000 + x = 2.903553857 + -3.175 x = 2.903553857 + -3.175 Combine like terms: 2.903553857 + -3.175 = -0.271446143 x = -0.271446143 Simplifying x = -0.271446143

Subproblem 2

x + 3.175 = -2.903553857 Simplifying x + 3.175 = -2.903553857 Reorder the terms: 3.175 + x = -2.903553857 Solving 3.175 + x = -2.903553857 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.175' to each side of the equation. 3.175 + -3.175 + x = -2.903553857 + -3.175 Combine like terms: 3.175 + -3.175 = 0.000 0.000 + x = -2.903553857 + -3.175 x = -2.903553857 + -3.175 Combine like terms: -2.903553857 + -3.175 = -6.078553857 x = -6.078553857 Simplifying x = -6.078553857

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.271446143, -6.078553857}

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