2(3x^2-13x+11)=0

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Solution for 2(3x^2-13x+11)=0 equation:


Simplifying
2(3x2 + -13x + 11) = 0

Reorder the terms:
2(11 + -13x + 3x2) = 0
(11 * 2 + -13x * 2 + 3x2 * 2) = 0
(22 + -26x + 6x2) = 0

Solving
22 + -26x + 6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(11 + -13x + 3x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(11 + -13x + 3x2)' equal to zero and attempt to solve: Simplifying 11 + -13x + 3x2 = 0 Solving 11 + -13x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 3.666666667 + -4.333333333x + x2 = 0 Move the constant term to the right: Add '-3.666666667' to each side of the equation. 3.666666667 + -4.333333333x + -3.666666667 + x2 = 0 + -3.666666667 Reorder the terms: 3.666666667 + -3.666666667 + -4.333333333x + x2 = 0 + -3.666666667 Combine like terms: 3.666666667 + -3.666666667 = 0.000000000 0.000000000 + -4.333333333x + x2 = 0 + -3.666666667 -4.333333333x + x2 = 0 + -3.666666667 Combine like terms: 0 + -3.666666667 = -3.666666667 -4.333333333x + x2 = -3.666666667 The x term is -4.333333333x. Take half its coefficient (-2.166666667). Square it (4.694444446) and add it to both sides. Add '4.694444446' to each side of the equation. -4.333333333x + 4.694444446 + x2 = -3.666666667 + 4.694444446 Reorder the terms: 4.694444446 + -4.333333333x + x2 = -3.666666667 + 4.694444446 Combine like terms: -3.666666667 + 4.694444446 = 1.027777779 4.694444446 + -4.333333333x + x2 = 1.027777779 Factor a perfect square on the left side: (x + -2.166666667)(x + -2.166666667) = 1.027777779 Calculate the square root of the right side: 1.013793756 Break this problem into two subproblems by setting (x + -2.166666667) equal to 1.013793756 and -1.013793756.

Subproblem 1

x + -2.166666667 = 1.013793756 Simplifying x + -2.166666667 = 1.013793756 Reorder the terms: -2.166666667 + x = 1.013793756 Solving -2.166666667 + x = 1.013793756 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.166666667' to each side of the equation. -2.166666667 + 2.166666667 + x = 1.013793756 + 2.166666667 Combine like terms: -2.166666667 + 2.166666667 = 0.000000000 0.000000000 + x = 1.013793756 + 2.166666667 x = 1.013793756 + 2.166666667 Combine like terms: 1.013793756 + 2.166666667 = 3.180460423 x = 3.180460423 Simplifying x = 3.180460423

Subproblem 2

x + -2.166666667 = -1.013793756 Simplifying x + -2.166666667 = -1.013793756 Reorder the terms: -2.166666667 + x = -1.013793756 Solving -2.166666667 + x = -1.013793756 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.166666667' to each side of the equation. -2.166666667 + 2.166666667 + x = -1.013793756 + 2.166666667 Combine like terms: -2.166666667 + 2.166666667 = 0.000000000 0.000000000 + x = -1.013793756 + 2.166666667 x = -1.013793756 + 2.166666667 Combine like terms: -1.013793756 + 2.166666667 = 1.152872911 x = 1.152872911 Simplifying x = 1.152872911

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.180460423, 1.152872911}

Solution

x = {3.180460423, 1.152872911}

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