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Simplifying 4x(3x + 6) = 2(10x + 5) Reorder the terms: 4x(6 + 3x) = 2(10x + 5) (6 * 4x + 3x * 4x) = 2(10x + 5) (24x + 12x2) = 2(10x + 5) Reorder the terms: 24x + 12x2 = 2(5 + 10x) 24x + 12x2 = (5 * 2 + 10x * 2) 24x + 12x2 = (10 + 20x) Solving 24x + 12x2 = 10 + 20x Solving for variable 'x'. Reorder the terms: -10 + 24x + -20x + 12x2 = 10 + 20x + -10 + -20x Combine like terms: 24x + -20x = 4x -10 + 4x + 12x2 = 10 + 20x + -10 + -20x Reorder the terms: -10 + 4x + 12x2 = 10 + -10 + 20x + -20x Combine like terms: 10 + -10 = 0 -10 + 4x + 12x2 = 0 + 20x + -20x -10 + 4x + 12x2 = 20x + -20x Combine like terms: 20x + -20x = 0 -10 + 4x + 12x2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-5 + 2x + 6x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-5 + 2x + 6x2)' equal to zero and attempt to solve: Simplifying -5 + 2x + 6x2 = 0 Solving -5 + 2x + 6x2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -0.8333333333 + 0.3333333333x + x2 = 0 Move the constant term to the right: Add '0.8333333333' to each side of the equation. -0.8333333333 + 0.3333333333x + 0.8333333333 + x2 = 0 + 0.8333333333 Reorder the terms: -0.8333333333 + 0.8333333333 + 0.3333333333x + x2 = 0 + 0.8333333333 Combine like terms: -0.8333333333 + 0.8333333333 = 0.0000000000 0.0000000000 + 0.3333333333x + x2 = 0 + 0.8333333333 0.3333333333x + x2 = 0 + 0.8333333333 Combine like terms: 0 + 0.8333333333 = 0.8333333333 0.3333333333x + x2 = 0.8333333333 The x term is 0.3333333333x. Take half its coefficient (0.1666666667). Square it (0.02777777779) and add it to both sides. Add '0.02777777779' to each side of the equation. 0.3333333333x + 0.02777777779 + x2 = 0.8333333333 + 0.02777777779 Reorder the terms: 0.02777777779 + 0.3333333333x + x2 = 0.8333333333 + 0.02777777779 Combine like terms: 0.8333333333 + 0.02777777779 = 0.86111111109 0.02777777779 + 0.3333333333x + x2 = 0.86111111109 Factor a perfect square on the left side: (x + 0.1666666667)(x + 0.1666666667) = 0.86111111109 Calculate the square root of the right side: 0.927960727 Break this problem into two subproblems by setting (x + 0.1666666667) equal to 0.927960727 and -0.927960727.Subproblem 1
x + 0.1666666667 = 0.927960727 Simplifying x + 0.1666666667 = 0.927960727 Reorder the terms: 0.1666666667 + x = 0.927960727 Solving 0.1666666667 + x = 0.927960727 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1666666667' to each side of the equation. 0.1666666667 + -0.1666666667 + x = 0.927960727 + -0.1666666667 Combine like terms: 0.1666666667 + -0.1666666667 = 0.0000000000 0.0000000000 + x = 0.927960727 + -0.1666666667 x = 0.927960727 + -0.1666666667 Combine like terms: 0.927960727 + -0.1666666667 = 0.7612940603 x = 0.7612940603 Simplifying x = 0.7612940603Subproblem 2
x + 0.1666666667 = -0.927960727 Simplifying x + 0.1666666667 = -0.927960727 Reorder the terms: 0.1666666667 + x = -0.927960727 Solving 0.1666666667 + x = -0.927960727 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1666666667' to each side of the equation. 0.1666666667 + -0.1666666667 + x = -0.927960727 + -0.1666666667 Combine like terms: 0.1666666667 + -0.1666666667 = 0.0000000000 0.0000000000 + x = -0.927960727 + -0.1666666667 x = -0.927960727 + -0.1666666667 Combine like terms: -0.927960727 + -0.1666666667 = -1.0946273937 x = -1.0946273937 Simplifying x = -1.0946273937Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.7612940603, -1.0946273937}Solution
x = {0.7612940603, -1.0946273937}
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