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Simplifying 14x + -22 = 3x(2x + -4) Reorder the terms: -22 + 14x = 3x(2x + -4) Reorder the terms: -22 + 14x = 3x(-4 + 2x) -22 + 14x = (-4 * 3x + 2x * 3x) -22 + 14x = (-12x + 6x2) Solving -22 + 14x = -12x + 6x2 Solving for variable 'x'. Combine like terms: 14x + 12x = 26x -22 + 26x + -6x2 = -12x + 6x2 + 12x + -6x2 Reorder the terms: -22 + 26x + -6x2 = -12x + 12x + 6x2 + -6x2 Combine like terms: -12x + 12x = 0 -22 + 26x + -6x2 = 0 + 6x2 + -6x2 -22 + 26x + -6x2 = 6x2 + -6x2 Combine like terms: 6x2 + -6x2 = 0 -22 + 26x + -6x2 = 0 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 = 3.180460423Subproblem 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 = 1.152872911Solution
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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