52x^2+62x-15=0

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Solution for 52x^2+62x-15=0 equation:


Simplifying
52x2 + 62x + -15 = 0

Reorder the terms:
-15 + 62x + 52x2 = 0

Solving
-15 + 62x + 52x2 = 0

Solving for variable 'x'.

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

Divide each side by '52'.
-0.2884615385 + 1.192307692x + x2 = 0

Move the constant term to the right:

Add '0.2884615385' to each side of the equation.
-0.2884615385 + 1.192307692x + 0.2884615385 + x2 = 0 + 0.2884615385

Reorder the terms:
-0.2884615385 + 0.2884615385 + 1.192307692x + x2 = 0 + 0.2884615385

Combine like terms: -0.2884615385 + 0.2884615385 = 0.0000000000
0.0000000000 + 1.192307692x + x2 = 0 + 0.2884615385
1.192307692x + x2 = 0 + 0.2884615385

Combine like terms: 0 + 0.2884615385 = 0.2884615385
1.192307692x + x2 = 0.2884615385

The x term is 1.192307692x.  Take half its coefficient (0.596153846).
Square it (0.3553994081) and add it to both sides.

Add '0.3553994081' to each side of the equation.
1.192307692x + 0.3553994081 + x2 = 0.2884615385 + 0.3553994081

Reorder the terms:
0.3553994081 + 1.192307692x + x2 = 0.2884615385 + 0.3553994081

Combine like terms: 0.2884615385 + 0.3553994081 = 0.6438609466
0.3553994081 + 1.192307692x + x2 = 0.6438609466

Factor a perfect square on the left side:
(x + 0.596153846)(x + 0.596153846) = 0.6438609466

Calculate the square root of the right side: 0.802409463

Break this problem into two subproblems by setting 
(x + 0.596153846) equal to 0.802409463 and -0.802409463.

Subproblem 1

x + 0.596153846 = 0.802409463 Simplifying x + 0.596153846 = 0.802409463 Reorder the terms: 0.596153846 + x = 0.802409463 Solving 0.596153846 + x = 0.802409463 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.596153846' to each side of the equation. 0.596153846 + -0.596153846 + x = 0.802409463 + -0.596153846 Combine like terms: 0.596153846 + -0.596153846 = 0.000000000 0.000000000 + x = 0.802409463 + -0.596153846 x = 0.802409463 + -0.596153846 Combine like terms: 0.802409463 + -0.596153846 = 0.206255617 x = 0.206255617 Simplifying x = 0.206255617

Subproblem 2

x + 0.596153846 = -0.802409463 Simplifying x + 0.596153846 = -0.802409463 Reorder the terms: 0.596153846 + x = -0.802409463 Solving 0.596153846 + x = -0.802409463 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.596153846' to each side of the equation. 0.596153846 + -0.596153846 + x = -0.802409463 + -0.596153846 Combine like terms: 0.596153846 + -0.596153846 = 0.000000000 0.000000000 + x = -0.802409463 + -0.596153846 x = -0.802409463 + -0.596153846 Combine like terms: -0.802409463 + -0.596153846 = -1.398563309 x = -1.398563309 Simplifying x = -1.398563309

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.206255617, -1.398563309}

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