6x^2-28x+12=0

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Solution for 6x^2-28x+12=0 equation:


Simplifying
6x2 + -28x + 12 = 0

Reorder the terms:
12 + -28x + 6x2 = 0

Solving
12 + -28x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(6 + -14x + 3x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(6 + -14x + 3x2)' equal to zero and attempt to solve: Simplifying 6 + -14x + 3x2 = 0 Solving 6 + -14x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 2 + -4.666666667x + x2 = 0 Move the constant term to the right: Add '-2' to each side of the equation. 2 + -4.666666667x + -2 + x2 = 0 + -2 Reorder the terms: 2 + -2 + -4.666666667x + x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -4.666666667x + x2 = 0 + -2 -4.666666667x + x2 = 0 + -2 Combine like terms: 0 + -2 = -2 -4.666666667x + x2 = -2 The x term is -4.666666667x. Take half its coefficient (-2.333333334). Square it (5.444444448) and add it to both sides. Add '5.444444448' to each side of the equation. -4.666666667x + 5.444444448 + x2 = -2 + 5.444444448 Reorder the terms: 5.444444448 + -4.666666667x + x2 = -2 + 5.444444448 Combine like terms: -2 + 5.444444448 = 3.444444448 5.444444448 + -4.666666667x + x2 = 3.444444448 Factor a perfect square on the left side: (x + -2.333333334)(x + -2.333333334) = 3.444444448 Calculate the square root of the right side: 1.855921455 Break this problem into two subproblems by setting (x + -2.333333334) equal to 1.855921455 and -1.855921455.

Subproblem 1

x + -2.333333334 = 1.855921455 Simplifying x + -2.333333334 = 1.855921455 Reorder the terms: -2.333333334 + x = 1.855921455 Solving -2.333333334 + x = 1.855921455 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.333333334' to each side of the equation. -2.333333334 + 2.333333334 + x = 1.855921455 + 2.333333334 Combine like terms: -2.333333334 + 2.333333334 = 0.000000000 0.000000000 + x = 1.855921455 + 2.333333334 x = 1.855921455 + 2.333333334 Combine like terms: 1.855921455 + 2.333333334 = 4.189254789 x = 4.189254789 Simplifying x = 4.189254789

Subproblem 2

x + -2.333333334 = -1.855921455 Simplifying x + -2.333333334 = -1.855921455 Reorder the terms: -2.333333334 + x = -1.855921455 Solving -2.333333334 + x = -1.855921455 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.333333334' to each side of the equation. -2.333333334 + 2.333333334 + x = -1.855921455 + 2.333333334 Combine like terms: -2.333333334 + 2.333333334 = 0.000000000 0.000000000 + x = -1.855921455 + 2.333333334 x = -1.855921455 + 2.333333334 Combine like terms: -1.855921455 + 2.333333334 = 0.477411879 x = 0.477411879 Simplifying x = 0.477411879

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.189254789, 0.477411879}

Solution

x = {4.189254789, 0.477411879}

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