2x(3x+4)+4x=2x+12

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Solution for 2x(3x+4)+4x=2x+12 equation:


Simplifying
2x(3x + 4) + 4x = 2x + 12

Reorder the terms:
2x(4 + 3x) + 4x = 2x + 12
(4 * 2x + 3x * 2x) + 4x = 2x + 12
(8x + 6x2) + 4x = 2x + 12

Reorder the terms:
8x + 4x + 6x2 = 2x + 12

Combine like terms: 8x + 4x = 12x
12x + 6x2 = 2x + 12

Reorder the terms:
12x + 6x2 = 12 + 2x

Solving
12x + 6x2 = 12 + 2x

Solving for variable 'x'.

Reorder the terms:
-12 + 12x + -2x + 6x2 = 12 + 2x + -12 + -2x

Combine like terms: 12x + -2x = 10x
-12 + 10x + 6x2 = 12 + 2x + -12 + -2x

Reorder the terms:
-12 + 10x + 6x2 = 12 + -12 + 2x + -2x

Combine like terms: 12 + -12 = 0
-12 + 10x + 6x2 = 0 + 2x + -2x
-12 + 10x + 6x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-12 + 10x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-6 + 5x + 3x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-6 + 5x + 3x2)' equal to zero and attempt to solve: Simplifying -6 + 5x + 3x2 = 0 Solving -6 + 5x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -2 + 1.666666667x + x2 = 0 Move the constant term to the right: Add '2' to each side of the equation. -2 + 1.666666667x + 2 + x2 = 0 + 2 Reorder the terms: -2 + 2 + 1.666666667x + x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + 1.666666667x + x2 = 0 + 2 1.666666667x + x2 = 0 + 2 Combine like terms: 0 + 2 = 2 1.666666667x + x2 = 2 The x term is 1.666666667x. Take half its coefficient (0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. 1.666666667x + 0.6944444447 + x2 = 2 + 0.6944444447 Reorder the terms: 0.6944444447 + 1.666666667x + x2 = 2 + 0.6944444447 Combine like terms: 2 + 0.6944444447 = 2.6944444447 0.6944444447 + 1.666666667x + x2 = 2.6944444447 Factor a perfect square on the left side: (x + 0.8333333335)(x + 0.8333333335) = 2.6944444447 Calculate the square root of the right side: 1.6414763 Break this problem into two subproblems by setting (x + 0.8333333335) equal to 1.6414763 and -1.6414763.

Subproblem 1

x + 0.8333333335 = 1.6414763 Simplifying x + 0.8333333335 = 1.6414763 Reorder the terms: 0.8333333335 + x = 1.6414763 Solving 0.8333333335 + x = 1.6414763 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = 1.6414763 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = 1.6414763 + -0.8333333335 x = 1.6414763 + -0.8333333335 Combine like terms: 1.6414763 + -0.8333333335 = 0.8081429665 x = 0.8081429665 Simplifying x = 0.8081429665

Subproblem 2

x + 0.8333333335 = -1.6414763 Simplifying x + 0.8333333335 = -1.6414763 Reorder the terms: 0.8333333335 + x = -1.6414763 Solving 0.8333333335 + x = -1.6414763 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = -1.6414763 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = -1.6414763 + -0.8333333335 x = -1.6414763 + -0.8333333335 Combine like terms: -1.6414763 + -0.8333333335 = -2.4748096335 x = -2.4748096335 Simplifying x = -2.4748096335

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.8081429665, -2.4748096335}

Solution

x = {0.8081429665, -2.4748096335}

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