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Simplifying 36x2 + x + -3 = 0 Reorder the terms: -3 + x + 36x2 = 0 Solving -3 + x + 36x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 36 the coefficient of the squared term: Divide each side by '36'. -0.08333333333 + 0.02777777778x + x2 = 0 Move the constant term to the right: Add '0.08333333333' to each side of the equation. -0.08333333333 + 0.02777777778x + 0.08333333333 + x2 = 0 + 0.08333333333 Reorder the terms: -0.08333333333 + 0.08333333333 + 0.02777777778x + x2 = 0 + 0.08333333333 Combine like terms: -0.08333333333 + 0.08333333333 = 0.00000000000 0.00000000000 + 0.02777777778x + x2 = 0 + 0.08333333333 0.02777777778x + x2 = 0 + 0.08333333333 Combine like terms: 0 + 0.08333333333 = 0.08333333333 0.02777777778x + x2 = 0.08333333333 The x term is x. Take half its coefficient (0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. 0.02777777778x + 0.25 + x2 = 0.08333333333 + 0.25 Reorder the terms: 0.25 + 0.02777777778x + x2 = 0.08333333333 + 0.25 Combine like terms: 0.08333333333 + 0.25 = 0.33333333333 0.25 + 0.02777777778x + x2 = 0.33333333333 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 0.33333333333 Calculate the square root of the right side: 0.577350269 Break this problem into two subproblems by setting (x + 0.5) equal to 0.577350269 and -0.577350269.Subproblem 1
x + 0.5 = 0.577350269 Simplifying x + 0.5 = 0.577350269 Reorder the terms: 0.5 + x = 0.577350269 Solving 0.5 + x = 0.577350269 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 0.577350269 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.577350269 + -0.5 x = 0.577350269 + -0.5 Combine like terms: 0.577350269 + -0.5 = 0.077350269 x = 0.077350269 Simplifying x = 0.077350269Subproblem 2
x + 0.5 = -0.577350269 Simplifying x + 0.5 = -0.577350269 Reorder the terms: 0.5 + x = -0.577350269 Solving 0.5 + x = -0.577350269 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -0.577350269 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.577350269 + -0.5 x = -0.577350269 + -0.5 Combine like terms: -0.577350269 + -0.5 = -1.077350269 x = -1.077350269 Simplifying x = -1.077350269Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.077350269, -1.077350269}
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