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Simplifying 6x + 5 = 0.5x(x + 6) + -4 Reorder the terms: 5 + 6x = 0.5x(x + 6) + -4 Reorder the terms: 5 + 6x = 0.5x(6 + x) + -4 5 + 6x = (6 * 0.5x + x * 0.5x) + -4 5 + 6x = (3x + 0.5x2) + -4 Reorder the terms: 5 + 6x = -4 + 3x + 0.5x2 Solving 5 + 6x = -4 + 3x + 0.5x2 Solving for variable 'x'. Reorder the terms: 5 + 4 + 6x + -3x + -0.5x2 = -4 + 3x + 0.5x2 + 4 + -3x + -0.5x2 Combine like terms: 5 + 4 = 9 9 + 6x + -3x + -0.5x2 = -4 + 3x + 0.5x2 + 4 + -3x + -0.5x2 Combine like terms: 6x + -3x = 3x 9 + 3x + -0.5x2 = -4 + 3x + 0.5x2 + 4 + -3x + -0.5x2 Reorder the terms: 9 + 3x + -0.5x2 = -4 + 4 + 3x + -3x + 0.5x2 + -0.5x2 Combine like terms: -4 + 4 = 0 9 + 3x + -0.5x2 = 0 + 3x + -3x + 0.5x2 + -0.5x2 9 + 3x + -0.5x2 = 3x + -3x + 0.5x2 + -0.5x2 Combine like terms: 3x + -3x = 0 9 + 3x + -0.5x2 = 0 + 0.5x2 + -0.5x2 9 + 3x + -0.5x2 = 0.5x2 + -0.5x2 Combine like terms: 0.5x2 + -0.5x2 = 0.0 9 + 3x + -0.5x2 = 0.0 Begin completing the square. Divide all terms by -0.5 the coefficient of the squared term: Divide each side by '-0.5'. -18 + -6x + x2 = 0 Move the constant term to the right: Add '18' to each side of the equation. -18 + -6x + 18 + x2 = 0 + 18 Reorder the terms: -18 + 18 + -6x + x2 = 0 + 18 Combine like terms: -18 + 18 = 0 0 + -6x + x2 = 0 + 18 -6x + x2 = 0 + 18 Combine like terms: 0 + 18 = 18 -6x + x2 = 18 The x term is -6x. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6x + 9 + x2 = 18 + 9 Reorder the terms: 9 + -6x + x2 = 18 + 9 Combine like terms: 18 + 9 = 27 9 + -6x + x2 = 27 Factor a perfect square on the left side: (x + -3)(x + -3) = 27 Calculate the square root of the right side: 5.196152423 Break this problem into two subproblems by setting (x + -3) equal to 5.196152423 and -5.196152423.Subproblem 1
x + -3 = 5.196152423 Simplifying x + -3 = 5.196152423 Reorder the terms: -3 + x = 5.196152423 Solving -3 + x = 5.196152423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 5.196152423 + 3 Combine like terms: -3 + 3 = 0 0 + x = 5.196152423 + 3 x = 5.196152423 + 3 Combine like terms: 5.196152423 + 3 = 8.196152423 x = 8.196152423 Simplifying x = 8.196152423Subproblem 2
x + -3 = -5.196152423 Simplifying x + -3 = -5.196152423 Reorder the terms: -3 + x = -5.196152423 Solving -3 + x = -5.196152423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -5.196152423 + 3 Combine like terms: -3 + 3 = 0 0 + x = -5.196152423 + 3 x = -5.196152423 + 3 Combine like terms: -5.196152423 + 3 = -2.196152423 x = -2.196152423 Simplifying x = -2.196152423Solution
The solution to the problem is based on the solutions from the subproblems. x = {8.196152423, -2.196152423}
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