6x^2+9x=362

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Solution for 6x^2+9x=362 equation:


Simplifying
6x2 + 9x = 362

Reorder the terms:
9x + 6x2 = 362

Solving
9x + 6x2 = 362

Solving for variable 'x'.

Reorder the terms:
-362 + 9x + 6x2 = 362 + -362

Combine like terms: 362 + -362 = 0
-362 + 9x + 6x2 = 0

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

Divide each side by '6'.
-60.33333333 + 1.5x + x2 = 0

Move the constant term to the right:

Add '60.33333333' to each side of the equation.
-60.33333333 + 1.5x + 60.33333333 + x2 = 0 + 60.33333333

Reorder the terms:
-60.33333333 + 60.33333333 + 1.5x + x2 = 0 + 60.33333333

Combine like terms: -60.33333333 + 60.33333333 = 0.00000000
0.00000000 + 1.5x + x2 = 0 + 60.33333333
1.5x + x2 = 0 + 60.33333333

Combine like terms: 0 + 60.33333333 = 60.33333333
1.5x + x2 = 60.33333333

The x term is 1.5x.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5x + 0.5625 + x2 = 60.33333333 + 0.5625

Reorder the terms:
0.5625 + 1.5x + x2 = 60.33333333 + 0.5625

Combine like terms: 60.33333333 + 0.5625 = 60.89583333
0.5625 + 1.5x + x2 = 60.89583333

Factor a perfect square on the left side:
(x + 0.75)(x + 0.75) = 60.89583333

Calculate the square root of the right side: 7.803578239

Break this problem into two subproblems by setting 
(x + 0.75) equal to 7.803578239 and -7.803578239.

Subproblem 1

x + 0.75 = 7.803578239 Simplifying x + 0.75 = 7.803578239 Reorder the terms: 0.75 + x = 7.803578239 Solving 0.75 + x = 7.803578239 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + x = 7.803578239 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + x = 7.803578239 + -0.75 x = 7.803578239 + -0.75 Combine like terms: 7.803578239 + -0.75 = 7.053578239 x = 7.053578239 Simplifying x = 7.053578239

Subproblem 2

x + 0.75 = -7.803578239 Simplifying x + 0.75 = -7.803578239 Reorder the terms: 0.75 + x = -7.803578239 Solving 0.75 + x = -7.803578239 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.75' to each side of the equation. 0.75 + -0.75 + x = -7.803578239 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + x = -7.803578239 + -0.75 x = -7.803578239 + -0.75 Combine like terms: -7.803578239 + -0.75 = -8.553578239 x = -8.553578239 Simplifying x = -8.553578239

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.053578239, -8.553578239}

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