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Simplifying 1 + -3x = 2x(x + 5) Reorder the terms: 1 + -3x = 2x(5 + x) 1 + -3x = (5 * 2x + x * 2x) 1 + -3x = (10x + 2x2) Solving 1 + -3x = 10x + 2x2 Solving for variable 'x'. Combine like terms: -3x + -10x = -13x 1 + -13x + -2x2 = 10x + 2x2 + -10x + -2x2 Reorder the terms: 1 + -13x + -2x2 = 10x + -10x + 2x2 + -2x2 Combine like terms: 10x + -10x = 0 1 + -13x + -2x2 = 0 + 2x2 + -2x2 1 + -13x + -2x2 = 2x2 + -2x2 Combine like terms: 2x2 + -2x2 = 0 1 + -13x + -2x2 = 0 Begin completing the square. Divide all terms by -2 the coefficient of the squared term: Divide each side by '-2'. -0.5 + 6.5x + x2 = 0 Move the constant term to the right: Add '0.5' to each side of the equation. -0.5 + 6.5x + 0.5 + x2 = 0 + 0.5 Reorder the terms: -0.5 + 0.5 + 6.5x + x2 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + 6.5x + x2 = 0 + 0.5 6.5x + x2 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 6.5x + x2 = 0.5 The x term is 6.5x. Take half its coefficient (3.25). Square it (10.5625) and add it to both sides. Add '10.5625' to each side of the equation. 6.5x + 10.5625 + x2 = 0.5 + 10.5625 Reorder the terms: 10.5625 + 6.5x + x2 = 0.5 + 10.5625 Combine like terms: 0.5 + 10.5625 = 11.0625 10.5625 + 6.5x + x2 = 11.0625 Factor a perfect square on the left side: (x + 3.25)(x + 3.25) = 11.0625 Calculate the square root of the right side: 3.326033674 Break this problem into two subproblems by setting (x + 3.25) equal to 3.326033674 and -3.326033674.Subproblem 1
x + 3.25 = 3.326033674 Simplifying x + 3.25 = 3.326033674 Reorder the terms: 3.25 + x = 3.326033674 Solving 3.25 + x = 3.326033674 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.25' to each side of the equation. 3.25 + -3.25 + x = 3.326033674 + -3.25 Combine like terms: 3.25 + -3.25 = 0.00 0.00 + x = 3.326033674 + -3.25 x = 3.326033674 + -3.25 Combine like terms: 3.326033674 + -3.25 = 0.076033674 x = 0.076033674 Simplifying x = 0.076033674Subproblem 2
x + 3.25 = -3.326033674 Simplifying x + 3.25 = -3.326033674 Reorder the terms: 3.25 + x = -3.326033674 Solving 3.25 + x = -3.326033674 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.25' to each side of the equation. 3.25 + -3.25 + x = -3.326033674 + -3.25 Combine like terms: 3.25 + -3.25 = 0.00 0.00 + x = -3.326033674 + -3.25 x = -3.326033674 + -3.25 Combine like terms: -3.326033674 + -3.25 = -6.576033674 x = -6.576033674 Simplifying x = -6.576033674Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.076033674, -6.576033674}
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