4x^2=-12x-6

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Solution for 4x^2=-12x-6 equation:


Simplifying
4x2 = -12x + -6

Reorder the terms:
4x2 = -6 + -12x

Solving
4x2 = -6 + -12x

Solving for variable 'x'.

Reorder the terms:
6 + 12x + 4x2 = -6 + -12x + 6 + 12x

Reorder the terms:
6 + 12x + 4x2 = -6 + 6 + -12x + 12x

Combine like terms: -6 + 6 = 0
6 + 12x + 4x2 = 0 + -12x + 12x
6 + 12x + 4x2 = -12x + 12x

Combine like terms: -12x + 12x = 0
6 + 12x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(3 + 6x + 2x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(3 + 6x + 2x2)' equal to zero and attempt to solve: Simplifying 3 + 6x + 2x2 = 0 Solving 3 + 6x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 1.5 + 3x + x2 = 0 Move the constant term to the right: Add '-1.5' to each side of the equation. 1.5 + 3x + -1.5 + x2 = 0 + -1.5 Reorder the terms: 1.5 + -1.5 + 3x + x2 = 0 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + 3x + x2 = 0 + -1.5 3x + x2 = 0 + -1.5 Combine like terms: 0 + -1.5 = -1.5 3x + x2 = -1.5 The x term is 3x. Take half its coefficient (1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. 3x + 2.25 + x2 = -1.5 + 2.25 Reorder the terms: 2.25 + 3x + x2 = -1.5 + 2.25 Combine like terms: -1.5 + 2.25 = 0.75 2.25 + 3x + x2 = 0.75 Factor a perfect square on the left side: (x + 1.5)(x + 1.5) = 0.75 Calculate the square root of the right side: 0.866025404 Break this problem into two subproblems by setting (x + 1.5) equal to 0.866025404 and -0.866025404.

Subproblem 1

x + 1.5 = 0.866025404 Simplifying x + 1.5 = 0.866025404 Reorder the terms: 1.5 + x = 0.866025404 Solving 1.5 + x = 0.866025404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = 0.866025404 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 0.866025404 + -1.5 x = 0.866025404 + -1.5 Combine like terms: 0.866025404 + -1.5 = -0.633974596 x = -0.633974596 Simplifying x = -0.633974596

Subproblem 2

x + 1.5 = -0.866025404 Simplifying x + 1.5 = -0.866025404 Reorder the terms: 1.5 + x = -0.866025404 Solving 1.5 + x = -0.866025404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + x = -0.866025404 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -0.866025404 + -1.5 x = -0.866025404 + -1.5 Combine like terms: -0.866025404 + -1.5 = -2.366025404 x = -2.366025404 Simplifying x = -2.366025404

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.633974596, -2.366025404}

Solution

x = {-0.633974596, -2.366025404}

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