(49*x^2)=3x+39

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Solution for (49*x^2)=3x+39 equation:


Simplifying
(49x2) = 3x + 39

Reorder the terms:
(49x2) = 39 + 3x

Solving
(49x2) = 39 + 3x

Solving for variable 'x'.

Reorder the terms:
-39 + -3x + (49x2) = 39 + 3x + -39 + -3x

Reorder the terms:
-39 + -3x + (49x2) = 39 + -39 + 3x + -3x

Combine like terms: 39 + -39 = 0
-39 + -3x + (49x2) = 0 + 3x + -3x
-39 + -3x + (49x2) = 3x + -3x

Combine like terms: 3x + -3x = 0
-39 + -3x + (49x2) = 0

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

Divide each side by '49'.
-0.7959183673 + -0.0612244898x + x2 = 0

Move the constant term to the right:

Add '0.7959183673' to each side of the equation.
-0.7959183673 + -0.0612244898x + 0.7959183673 + x2 = 0 + 0.7959183673

Reorder the terms:
-0.7959183673 + 0.7959183673 + -0.0612244898x + x2 = 0 + 0.7959183673

Combine like terms: -0.7959183673 + 0.7959183673 = 0.0000000000
0.0000000000 + -0.0612244898x + x2 = 0 + 0.7959183673
-0.0612244898x + x2 = 0 + 0.7959183673

Combine like terms: 0 + 0.7959183673 = 0.7959183673
-0.0612244898x + x2 = 0.7959183673

The x term is -0.0612244898x.  Take half its coefficient (-0.0306122449).
Square it (0.0009371095378) and add it to both sides.

Add '0.0009371095378' to each side of the equation.
-0.0612244898x + 0.0009371095378 + x2 = 0.7959183673 + 0.0009371095378

Reorder the terms:
0.0009371095378 + -0.0612244898x + x2 = 0.7959183673 + 0.0009371095378

Combine like terms: 0.7959183673 + 0.0009371095378 = 0.7968554768378
0.0009371095378 + -0.0612244898x + x2 = 0.7968554768378

Factor a perfect square on the left side:
((x) + -0.0306122449)((x) + -0.0306122449) = 0.7968554768378

Calculate the square root of the right side: 0.892667618

Break this problem into two subproblems by setting 
((x) + -0.0306122449) equal to 0.892667618 and -0.892667618.

Subproblem 1

(x) + -0.0306122449 = 0.892667618 Simplifying (x) + -0.0306122449 = 0.892667618 x + -0.0306122449 = 0.892667618 Reorder the terms: -0.0306122449 + x = 0.892667618 Solving -0.0306122449 + x = 0.892667618 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0306122449' to each side of the equation. -0.0306122449 + 0.0306122449 + x = 0.892667618 + 0.0306122449 Combine like terms: -0.0306122449 + 0.0306122449 = 0.0000000000 0.0000000000 + x = 0.892667618 + 0.0306122449 x = 0.892667618 + 0.0306122449 Combine like terms: 0.892667618 + 0.0306122449 = 0.9232798629 x = 0.9232798629 Simplifying x = 0.9232798629

Subproblem 2

(x) + -0.0306122449 = -0.892667618 Simplifying (x) + -0.0306122449 = -0.892667618 x + -0.0306122449 = -0.892667618 Reorder the terms: -0.0306122449 + x = -0.892667618 Solving -0.0306122449 + x = -0.892667618 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.0306122449' to each side of the equation. -0.0306122449 + 0.0306122449 + x = -0.892667618 + 0.0306122449 Combine like terms: -0.0306122449 + 0.0306122449 = 0.0000000000 0.0000000000 + x = -0.892667618 + 0.0306122449 x = -0.892667618 + 0.0306122449 Combine like terms: -0.892667618 + 0.0306122449 = -0.8620553731 x = -0.8620553731 Simplifying x = -0.8620553731

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.9232798629, -0.8620553731}

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