6x^2+8x=146

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Solution for 6x^2+8x=146 equation:


Simplifying
6x2 + 8x = 146

Reorder the terms:
8x + 6x2 = 146

Solving
8x + 6x2 = 146

Solving for variable 'x'.

Reorder the terms:
-146 + 8x + 6x2 = 146 + -146

Combine like terms: 146 + -146 = 0
-146 + 8x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-73 + 4x + 3x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-73 + 4x + 3x2)' equal to zero and attempt to solve: Simplifying -73 + 4x + 3x2 = 0 Solving -73 + 4x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -24.33333333 + 1.333333333x + x2 = 0 Move the constant term to the right: Add '24.33333333' to each side of the equation. -24.33333333 + 1.333333333x + 24.33333333 + x2 = 0 + 24.33333333 Reorder the terms: -24.33333333 + 24.33333333 + 1.333333333x + x2 = 0 + 24.33333333 Combine like terms: -24.33333333 + 24.33333333 = 0.00000000 0.00000000 + 1.333333333x + x2 = 0 + 24.33333333 1.333333333x + x2 = 0 + 24.33333333 Combine like terms: 0 + 24.33333333 = 24.33333333 1.333333333x + x2 = 24.33333333 The x term is 1.333333333x. Take half its coefficient (0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. 1.333333333x + 0.4444444442 + x2 = 24.33333333 + 0.4444444442 Reorder the terms: 0.4444444442 + 1.333333333x + x2 = 24.33333333 + 0.4444444442 Combine like terms: 24.33333333 + 0.4444444442 = 24.7777777742 0.4444444442 + 1.333333333x + x2 = 24.7777777742 Factor a perfect square on the left side: (x + 0.6666666665)(x + 0.6666666665) = 24.7777777742 Calculate the square root of the right side: 4.977728174 Break this problem into two subproblems by setting (x + 0.6666666665) equal to 4.977728174 and -4.977728174.

Subproblem 1

x + 0.6666666665 = 4.977728174 Simplifying x + 0.6666666665 = 4.977728174 Reorder the terms: 0.6666666665 + x = 4.977728174 Solving 0.6666666665 + x = 4.977728174 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + x = 4.977728174 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = 4.977728174 + -0.6666666665 x = 4.977728174 + -0.6666666665 Combine like terms: 4.977728174 + -0.6666666665 = 4.3110615075 x = 4.3110615075 Simplifying x = 4.3110615075

Subproblem 2

x + 0.6666666665 = -4.977728174 Simplifying x + 0.6666666665 = -4.977728174 Reorder the terms: 0.6666666665 + x = -4.977728174 Solving 0.6666666665 + x = -4.977728174 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6666666665' to each side of the equation. 0.6666666665 + -0.6666666665 + x = -4.977728174 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = -4.977728174 + -0.6666666665 x = -4.977728174 + -0.6666666665 Combine like terms: -4.977728174 + -0.6666666665 = -5.6443948405 x = -5.6443948405 Simplifying x = -5.6443948405

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.3110615075, -5.6443948405}

Solution

x = {4.3110615075, -5.6443948405}

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