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Simplifying 12x2 + -18x + -6x + 2 = 0 Reorder the terms: 2 + -18x + -6x + 12x2 = 0 Combine like terms: -18x + -6x = -24x 2 + -24x + 12x2 = 0 Solving 2 + -24x + 12x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2'. 2(1 + -12x + 6x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(1 + -12x + 6x2)' equal to zero and attempt to solve: Simplifying 1 + -12x + 6x2 = 0 Solving 1 + -12x + 6x2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. 0.1666666667 + -2x + x2 = 0 Move the constant term to the right: Add '-0.1666666667' to each side of the equation. 0.1666666667 + -2x + -0.1666666667 + x2 = 0 + -0.1666666667 Reorder the terms: 0.1666666667 + -0.1666666667 + -2x + x2 = 0 + -0.1666666667 Combine like terms: 0.1666666667 + -0.1666666667 = 0.0000000000 0.0000000000 + -2x + x2 = 0 + -0.1666666667 -2x + x2 = 0 + -0.1666666667 Combine like terms: 0 + -0.1666666667 = -0.1666666667 -2x + x2 = -0.1666666667 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = -0.1666666667 + 1 Reorder the terms: 1 + -2x + x2 = -0.1666666667 + 1 Combine like terms: -0.1666666667 + 1 = 0.8333333333 1 + -2x + x2 = 0.8333333333 Factor a perfect square on the left side: (x + -1)(x + -1) = 0.8333333333 Calculate the square root of the right side: 0.912870929 Break this problem into two subproblems by setting (x + -1) equal to 0.912870929 and -0.912870929.Subproblem 1
x + -1 = 0.912870929 Simplifying x + -1 = 0.912870929 Reorder the terms: -1 + x = 0.912870929 Solving -1 + x = 0.912870929 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 0.912870929 + 1 Combine like terms: -1 + 1 = 0 0 + x = 0.912870929 + 1 x = 0.912870929 + 1 Combine like terms: 0.912870929 + 1 = 1.912870929 x = 1.912870929 Simplifying x = 1.912870929Subproblem 2
x + -1 = -0.912870929 Simplifying x + -1 = -0.912870929 Reorder the terms: -1 + x = -0.912870929 Solving -1 + x = -0.912870929 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -0.912870929 + 1 Combine like terms: -1 + 1 = 0 0 + x = -0.912870929 + 1 x = -0.912870929 + 1 Combine like terms: -0.912870929 + 1 = 0.087129071 x = 0.087129071 Simplifying x = 0.087129071Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.912870929, 0.087129071}Solution
x = {1.912870929, 0.087129071}
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