35x^2+30x+6=0

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Solution for 35x^2+30x+6=0 equation:


Simplifying
35x2 + 30x + 6 = 0

Reorder the terms:
6 + 30x + 35x2 = 0

Solving
6 + 30x + 35x2 = 0

Solving for variable 'x'.

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

Divide each side by '35'.
0.1714285714 + 0.8571428571x + x2 = 0

Move the constant term to the right:

Add '-0.1714285714' to each side of the equation.
0.1714285714 + 0.8571428571x + -0.1714285714 + x2 = 0 + -0.1714285714

Reorder the terms:
0.1714285714 + -0.1714285714 + 0.8571428571x + x2 = 0 + -0.1714285714

Combine like terms: 0.1714285714 + -0.1714285714 = 0.0000000000
0.0000000000 + 0.8571428571x + x2 = 0 + -0.1714285714
0.8571428571x + x2 = 0 + -0.1714285714

Combine like terms: 0 + -0.1714285714 = -0.1714285714
0.8571428571x + x2 = -0.1714285714

The x term is 0.8571428571x.  Take half its coefficient (0.4285714286).
Square it (0.1836734694) and add it to both sides.

Add '0.1836734694' to each side of the equation.
0.8571428571x + 0.1836734694 + x2 = -0.1714285714 + 0.1836734694

Reorder the terms:
0.1836734694 + 0.8571428571x + x2 = -0.1714285714 + 0.1836734694

Combine like terms: -0.1714285714 + 0.1836734694 = 0.012244898
0.1836734694 + 0.8571428571x + x2 = 0.012244898

Factor a perfect square on the left side:
(x + 0.4285714286)(x + 0.4285714286) = 0.012244898

Calculate the square root of the right side: 0.110656667

Break this problem into two subproblems by setting 
(x + 0.4285714286) equal to 0.110656667 and -0.110656667.

Subproblem 1

x + 0.4285714286 = 0.110656667 Simplifying x + 0.4285714286 = 0.110656667 Reorder the terms: 0.4285714286 + x = 0.110656667 Solving 0.4285714286 + x = 0.110656667 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4285714286' to each side of the equation. 0.4285714286 + -0.4285714286 + x = 0.110656667 + -0.4285714286 Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000 0.0000000000 + x = 0.110656667 + -0.4285714286 x = 0.110656667 + -0.4285714286 Combine like terms: 0.110656667 + -0.4285714286 = -0.3179147616 x = -0.3179147616 Simplifying x = -0.3179147616

Subproblem 2

x + 0.4285714286 = -0.110656667 Simplifying x + 0.4285714286 = -0.110656667 Reorder the terms: 0.4285714286 + x = -0.110656667 Solving 0.4285714286 + x = -0.110656667 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4285714286' to each side of the equation. 0.4285714286 + -0.4285714286 + x = -0.110656667 + -0.4285714286 Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000 0.0000000000 + x = -0.110656667 + -0.4285714286 x = -0.110656667 + -0.4285714286 Combine like terms: -0.110656667 + -0.4285714286 = -0.5392280956 x = -0.5392280956 Simplifying x = -0.5392280956

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.3179147616, -0.5392280956}

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