69x^2+27x+2=0

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Solution for 69x^2+27x+2=0 equation:


Simplifying
69x2 + 27x + 2 = 0

Reorder the terms:
2 + 27x + 69x2 = 0

Solving
2 + 27x + 69x2 = 0

Solving for variable 'x'.

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

Divide each side by '69'.
0.02898550725 + 0.3913043478x + x2 = 0

Move the constant term to the right:

Add '-0.02898550725' to each side of the equation.
0.02898550725 + 0.3913043478x + -0.02898550725 + x2 = 0 + -0.02898550725

Reorder the terms:
0.02898550725 + -0.02898550725 + 0.3913043478x + x2 = 0 + -0.02898550725

Combine like terms: 0.02898550725 + -0.02898550725 = 0.00000000000
0.00000000000 + 0.3913043478x + x2 = 0 + -0.02898550725
0.3913043478x + x2 = 0 + -0.02898550725

Combine like terms: 0 + -0.02898550725 = -0.02898550725
0.3913043478x + x2 = -0.02898550725

The x term is 0.3913043478x.  Take half its coefficient (0.1956521739).
Square it (0.03827977315) and add it to both sides.

Add '0.03827977315' to each side of the equation.
0.3913043478x + 0.03827977315 + x2 = -0.02898550725 + 0.03827977315

Reorder the terms:
0.03827977315 + 0.3913043478x + x2 = -0.02898550725 + 0.03827977315

Combine like terms: -0.02898550725 + 0.03827977315 = 0.0092942659
0.03827977315 + 0.3913043478x + x2 = 0.0092942659

Factor a perfect square on the left side:
(x + 0.1956521739)(x + 0.1956521739) = 0.0092942659

Calculate the square root of the right side: 0.096406773

Break this problem into two subproblems by setting 
(x + 0.1956521739) equal to 0.096406773 and -0.096406773.

Subproblem 1

x + 0.1956521739 = 0.096406773 Simplifying x + 0.1956521739 = 0.096406773 Reorder the terms: 0.1956521739 + x = 0.096406773 Solving 0.1956521739 + x = 0.096406773 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1956521739' to each side of the equation. 0.1956521739 + -0.1956521739 + x = 0.096406773 + -0.1956521739 Combine like terms: 0.1956521739 + -0.1956521739 = 0.0000000000 0.0000000000 + x = 0.096406773 + -0.1956521739 x = 0.096406773 + -0.1956521739 Combine like terms: 0.096406773 + -0.1956521739 = -0.0992454009 x = -0.0992454009 Simplifying x = -0.0992454009

Subproblem 2

x + 0.1956521739 = -0.096406773 Simplifying x + 0.1956521739 = -0.096406773 Reorder the terms: 0.1956521739 + x = -0.096406773 Solving 0.1956521739 + x = -0.096406773 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1956521739' to each side of the equation. 0.1956521739 + -0.1956521739 + x = -0.096406773 + -0.1956521739 Combine like terms: 0.1956521739 + -0.1956521739 = 0.0000000000 0.0000000000 + x = -0.096406773 + -0.1956521739 x = -0.096406773 + -0.1956521739 Combine like terms: -0.096406773 + -0.1956521739 = -0.2920589469 x = -0.2920589469 Simplifying x = -0.2920589469

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.0992454009, -0.2920589469}

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