3x^2-52=7+14x

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Solution for 3x^2-52=7+14x equation:


Simplifying
3x2 + -52 = 7 + 14x

Reorder the terms:
-52 + 3x2 = 7 + 14x

Solving
-52 + 3x2 = 7 + 14x

Solving for variable 'x'.

Reorder the terms:
-52 + -7 + -14x + 3x2 = 7 + 14x + -7 + -14x

Combine like terms: -52 + -7 = -59
-59 + -14x + 3x2 = 7 + 14x + -7 + -14x

Reorder the terms:
-59 + -14x + 3x2 = 7 + -7 + 14x + -14x

Combine like terms: 7 + -7 = 0
-59 + -14x + 3x2 = 0 + 14x + -14x
-59 + -14x + 3x2 = 14x + -14x

Combine like terms: 14x + -14x = 0
-59 + -14x + 3x2 = 0

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

Divide each side by '3'.
-19.66666667 + -4.666666667x + x2 = 0

Move the constant term to the right:

Add '19.66666667' to each side of the equation.
-19.66666667 + -4.666666667x + 19.66666667 + x2 = 0 + 19.66666667

Reorder the terms:
-19.66666667 + 19.66666667 + -4.666666667x + x2 = 0 + 19.66666667

Combine like terms: -19.66666667 + 19.66666667 = 0.00000000
0.00000000 + -4.666666667x + x2 = 0 + 19.66666667
-4.666666667x + x2 = 0 + 19.66666667

Combine like terms: 0 + 19.66666667 = 19.66666667
-4.666666667x + x2 = 19.66666667

The x term is -4.666666667x.  Take half its coefficient (-2.333333334).
Square it (5.444444448) and add it to both sides.

Add '5.444444448' to each side of the equation.
-4.666666667x + 5.444444448 + x2 = 19.66666667 + 5.444444448

Reorder the terms:
5.444444448 + -4.666666667x + x2 = 19.66666667 + 5.444444448

Combine like terms: 19.66666667 + 5.444444448 = 25.111111118
5.444444448 + -4.666666667x + x2 = 25.111111118

Factor a perfect square on the left side:
(x + -2.333333334)(x + -2.333333334) = 25.111111118

Calculate the square root of the right side: 5.011098793

Break this problem into two subproblems by setting 
(x + -2.333333334) equal to 5.011098793 and -5.011098793.

Subproblem 1

x + -2.333333334 = 5.011098793 Simplifying x + -2.333333334 = 5.011098793 Reorder the terms: -2.333333334 + x = 5.011098793 Solving -2.333333334 + x = 5.011098793 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.333333334' to each side of the equation. -2.333333334 + 2.333333334 + x = 5.011098793 + 2.333333334 Combine like terms: -2.333333334 + 2.333333334 = 0.000000000 0.000000000 + x = 5.011098793 + 2.333333334 x = 5.011098793 + 2.333333334 Combine like terms: 5.011098793 + 2.333333334 = 7.344432127 x = 7.344432127 Simplifying x = 7.344432127

Subproblem 2

x + -2.333333334 = -5.011098793 Simplifying x + -2.333333334 = -5.011098793 Reorder the terms: -2.333333334 + x = -5.011098793 Solving -2.333333334 + x = -5.011098793 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.333333334' to each side of the equation. -2.333333334 + 2.333333334 + x = -5.011098793 + 2.333333334 Combine like terms: -2.333333334 + 2.333333334 = 0.000000000 0.000000000 + x = -5.011098793 + 2.333333334 x = -5.011098793 + 2.333333334 Combine like terms: -5.011098793 + 2.333333334 = -2.677765459 x = -2.677765459 Simplifying x = -2.677765459

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.344432127, -2.677765459}

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