-22.872x^2+2x+1=0

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Solution for -22.872x^2+2x+1=0 equation:


Simplifying
-22.872x2 + 2x + 1 = 0

Reorder the terms:
1 + 2x + -22.872x2 = 0

Solving
1 + 2x + -22.872x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-22.872 the coefficient of the squared term: 

Divide each side by '-22.872'.
-0.04372158097 + -0.08744316194x + x2 = 0

Move the constant term to the right:

Add '0.04372158097' to each side of the equation.
-0.04372158097 + -0.08744316194x + 0.04372158097 + x2 = 0 + 0.04372158097

Reorder the terms:
-0.04372158097 + 0.04372158097 + -0.08744316194x + x2 = 0 + 0.04372158097

Combine like terms: -0.04372158097 + 0.04372158097 = 0.00000000000
0.00000000000 + -0.08744316194x + x2 = 0 + 0.04372158097
-0.08744316194x + x2 = 0 + 0.04372158097

Combine like terms: 0 + 0.04372158097 = 0.04372158097
-0.08744316194x + x2 = 0.04372158097

The x term is -0.08744316194x.  Take half its coefficient (-0.04372158097).
Square it (0.001911576643) and add it to both sides.

Add '0.001911576643' to each side of the equation.
-0.08744316194x + 0.001911576643 + x2 = 0.04372158097 + 0.001911576643

Reorder the terms:
0.001911576643 + -0.08744316194x + x2 = 0.04372158097 + 0.001911576643

Combine like terms: 0.04372158097 + 0.001911576643 = 0.045633157613
0.001911576643 + -0.08744316194x + x2 = 0.045633157613

Factor a perfect square on the left side:
(x + -0.04372158097)(x + -0.04372158097) = 0.045633157613

Calculate the square root of the right side: 0.213619188

Break this problem into two subproblems by setting 
(x + -0.04372158097) equal to 0.213619188 and -0.213619188.

Subproblem 1

x + -0.04372158097 = 0.213619188 Simplifying x + -0.04372158097 = 0.213619188 Reorder the terms: -0.04372158097 + x = 0.213619188 Solving -0.04372158097 + x = 0.213619188 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.04372158097' to each side of the equation. -0.04372158097 + 0.04372158097 + x = 0.213619188 + 0.04372158097 Combine like terms: -0.04372158097 + 0.04372158097 = 0.00000000000 0.00000000000 + x = 0.213619188 + 0.04372158097 x = 0.213619188 + 0.04372158097 Combine like terms: 0.213619188 + 0.04372158097 = 0.25734076897 x = 0.25734076897 Simplifying x = 0.25734076897

Subproblem 2

x + -0.04372158097 = -0.213619188 Simplifying x + -0.04372158097 = -0.213619188 Reorder the terms: -0.04372158097 + x = -0.213619188 Solving -0.04372158097 + x = -0.213619188 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.04372158097' to each side of the equation. -0.04372158097 + 0.04372158097 + x = -0.213619188 + 0.04372158097 Combine like terms: -0.04372158097 + 0.04372158097 = 0.00000000000 0.00000000000 + x = -0.213619188 + 0.04372158097 x = -0.213619188 + 0.04372158097 Combine like terms: -0.213619188 + 0.04372158097 = -0.16989760703 x = -0.16989760703 Simplifying x = -0.16989760703

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.25734076897, -0.16989760703}

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