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Simplifying 3(2x + -5) * 4x = 2(x + 5) Reorder the terms: 3(-5 + 2x) * 4x = 2(x + 5) Reorder the terms for easier multiplication: 3 * 4x(-5 + 2x) = 2(x + 5) Multiply 3 * 4 12x(-5 + 2x) = 2(x + 5) (-5 * 12x + 2x * 12x) = 2(x + 5) (-60x + 24x2) = 2(x + 5) Reorder the terms: -60x + 24x2 = 2(5 + x) -60x + 24x2 = (5 * 2 + x * 2) -60x + 24x2 = (10 + 2x) Solving -60x + 24x2 = 10 + 2x Solving for variable 'x'. Reorder the terms: -10 + -60x + -2x + 24x2 = 10 + 2x + -10 + -2x Combine like terms: -60x + -2x = -62x -10 + -62x + 24x2 = 10 + 2x + -10 + -2x Reorder the terms: -10 + -62x + 24x2 = 10 + -10 + 2x + -2x Combine like terms: 10 + -10 = 0 -10 + -62x + 24x2 = 0 + 2x + -2x -10 + -62x + 24x2 = 2x + -2x Combine like terms: 2x + -2x = 0 -10 + -62x + 24x2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-5 + -31x + 12x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-5 + -31x + 12x2)' equal to zero and attempt to solve: Simplifying -5 + -31x + 12x2 = 0 Solving -5 + -31x + 12x2 = 0 Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. -0.4166666667 + -2.583333333x + x2 = 0 Move the constant term to the right: Add '0.4166666667' to each side of the equation. -0.4166666667 + -2.583333333x + 0.4166666667 + x2 = 0 + 0.4166666667 Reorder the terms: -0.4166666667 + 0.4166666667 + -2.583333333x + x2 = 0 + 0.4166666667 Combine like terms: -0.4166666667 + 0.4166666667 = 0.0000000000 0.0000000000 + -2.583333333x + x2 = 0 + 0.4166666667 -2.583333333x + x2 = 0 + 0.4166666667 Combine like terms: 0 + 0.4166666667 = 0.4166666667 -2.583333333x + x2 = 0.4166666667 The x term is -2.583333333x. Take half its coefficient (-1.291666667). Square it (1.668402779) and add it to both sides. Add '1.668402779' to each side of the equation. -2.583333333x + 1.668402779 + x2 = 0.4166666667 + 1.668402779 Reorder the terms: 1.668402779 + -2.583333333x + x2 = 0.4166666667 + 1.668402779 Combine like terms: 0.4166666667 + 1.668402779 = 2.0850694457 1.668402779 + -2.583333333x + x2 = 2.0850694457 Factor a perfect square on the left side: (x + -1.291666667)(x + -1.291666667) = 2.0850694457 Calculate the square root of the right side: 1.443976955 Break this problem into two subproblems by setting (x + -1.291666667) equal to 1.443976955 and -1.443976955.Subproblem 1
x + -1.291666667 = 1.443976955 Simplifying x + -1.291666667 = 1.443976955 Reorder the terms: -1.291666667 + x = 1.443976955 Solving -1.291666667 + x = 1.443976955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.291666667' to each side of the equation. -1.291666667 + 1.291666667 + x = 1.443976955 + 1.291666667 Combine like terms: -1.291666667 + 1.291666667 = 0.000000000 0.000000000 + x = 1.443976955 + 1.291666667 x = 1.443976955 + 1.291666667 Combine like terms: 1.443976955 + 1.291666667 = 2.735643622 x = 2.735643622 Simplifying x = 2.735643622Subproblem 2
x + -1.291666667 = -1.443976955 Simplifying x + -1.291666667 = -1.443976955 Reorder the terms: -1.291666667 + x = -1.443976955 Solving -1.291666667 + x = -1.443976955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.291666667' to each side of the equation. -1.291666667 + 1.291666667 + x = -1.443976955 + 1.291666667 Combine like terms: -1.291666667 + 1.291666667 = 0.000000000 0.000000000 + x = -1.443976955 + 1.291666667 x = -1.443976955 + 1.291666667 Combine like terms: -1.443976955 + 1.291666667 = -0.152310288 x = -0.152310288 Simplifying x = -0.152310288Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.735643622, -0.152310288}Solution
x = {2.735643622, -0.152310288}
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