22x-12=-8x^2

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Solution for 22x-12=-8x^2 equation:


Simplifying
22x + -12 = -8x2

Reorder the terms:
-12 + 22x = -8x2

Solving
-12 + 22x = -8x2

Solving for variable 'x'.

Combine like terms: -8x2 + 8x2 = 0
-12 + 22x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-6 + 11x + 4x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-6 + 11x + 4x2)' equal to zero and attempt to solve: Simplifying -6 + 11x + 4x2 = 0 Solving -6 + 11x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -1.5 + 2.75x + x2 = 0 Move the constant term to the right: Add '1.5' to each side of the equation. -1.5 + 2.75x + 1.5 + x2 = 0 + 1.5 Reorder the terms: -1.5 + 1.5 + 2.75x + x2 = 0 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + 2.75x + x2 = 0 + 1.5 2.75x + x2 = 0 + 1.5 Combine like terms: 0 + 1.5 = 1.5 2.75x + x2 = 1.5 The x term is 2.75x. Take half its coefficient (1.375). Square it (1.890625) and add it to both sides. Add '1.890625' to each side of the equation. 2.75x + 1.890625 + x2 = 1.5 + 1.890625 Reorder the terms: 1.890625 + 2.75x + x2 = 1.5 + 1.890625 Combine like terms: 1.5 + 1.890625 = 3.390625 1.890625 + 2.75x + x2 = 3.390625 Factor a perfect square on the left side: (x + 1.375)(x + 1.375) = 3.390625 Calculate the square root of the right side: 1.841364983 Break this problem into two subproblems by setting (x + 1.375) equal to 1.841364983 and -1.841364983.

Subproblem 1

x + 1.375 = 1.841364983 Simplifying x + 1.375 = 1.841364983 Reorder the terms: 1.375 + x = 1.841364983 Solving 1.375 + x = 1.841364983 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.375' to each side of the equation. 1.375 + -1.375 + x = 1.841364983 + -1.375 Combine like terms: 1.375 + -1.375 = 0.000 0.000 + x = 1.841364983 + -1.375 x = 1.841364983 + -1.375 Combine like terms: 1.841364983 + -1.375 = 0.466364983 x = 0.466364983 Simplifying x = 0.466364983

Subproblem 2

x + 1.375 = -1.841364983 Simplifying x + 1.375 = -1.841364983 Reorder the terms: 1.375 + x = -1.841364983 Solving 1.375 + x = -1.841364983 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.375' to each side of the equation. 1.375 + -1.375 + x = -1.841364983 + -1.375 Combine like terms: 1.375 + -1.375 = 0.000 0.000 + x = -1.841364983 + -1.375 x = -1.841364983 + -1.375 Combine like terms: -1.841364983 + -1.375 = -3.216364983 x = -3.216364983 Simplifying x = -3.216364983

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.466364983, -3.216364983}

Solution

x = {0.466364983, -3.216364983}

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