9x^2-37=6x

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Solution for 9x^2-37=6x equation:


Simplifying
9x2 + -37 = 6x

Reorder the terms:
-37 + 9x2 = 6x

Solving
-37 + 9x2 = 6x

Solving for variable 'x'.

Reorder the terms:
-37 + -6x + 9x2 = 6x + -6x

Combine like terms: 6x + -6x = 0
-37 + -6x + 9x2 = 0

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

Divide each side by '9'.
-4.111111111 + -0.6666666667x + x2 = 0

Move the constant term to the right:

Add '4.111111111' to each side of the equation.
-4.111111111 + -0.6666666667x + 4.111111111 + x2 = 0 + 4.111111111

Reorder the terms:
-4.111111111 + 4.111111111 + -0.6666666667x + x2 = 0 + 4.111111111

Combine like terms: -4.111111111 + 4.111111111 = 0.000000000
0.000000000 + -0.6666666667x + x2 = 0 + 4.111111111
-0.6666666667x + x2 = 0 + 4.111111111

Combine like terms: 0 + 4.111111111 = 4.111111111
-0.6666666667x + x2 = 4.111111111

The x term is -0.6666666667x.  Take half its coefficient (-0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
-0.6666666667x + 0.1111111112 + x2 = 4.111111111 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667x + x2 = 4.111111111 + 0.1111111112

Combine like terms: 4.111111111 + 0.1111111112 = 4.2222222222
0.1111111112 + -0.6666666667x + x2 = 4.2222222222

Factor a perfect square on the left side:
(x + -0.3333333334)(x + -0.3333333334) = 4.2222222222

Calculate the square root of the right side: 2.054804668

Break this problem into two subproblems by setting 
(x + -0.3333333334) equal to 2.054804668 and -2.054804668.

Subproblem 1

x + -0.3333333334 = 2.054804668 Simplifying x + -0.3333333334 = 2.054804668 Reorder the terms: -0.3333333334 + x = 2.054804668 Solving -0.3333333334 + x = 2.054804668 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = 2.054804668 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = 2.054804668 + 0.3333333334 x = 2.054804668 + 0.3333333334 Combine like terms: 2.054804668 + 0.3333333334 = 2.3881380014 x = 2.3881380014 Simplifying x = 2.3881380014

Subproblem 2

x + -0.3333333334 = -2.054804668 Simplifying x + -0.3333333334 = -2.054804668 Reorder the terms: -0.3333333334 + x = -2.054804668 Solving -0.3333333334 + x = -2.054804668 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3333333334' to each side of the equation. -0.3333333334 + 0.3333333334 + x = -2.054804668 + 0.3333333334 Combine like terms: -0.3333333334 + 0.3333333334 = 0.0000000000 0.0000000000 + x = -2.054804668 + 0.3333333334 x = -2.054804668 + 0.3333333334 Combine like terms: -2.054804668 + 0.3333333334 = -1.7214713346 x = -1.7214713346 Simplifying x = -1.7214713346

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.3881380014, -1.7214713346}

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