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Simplifying 324x2 + 162x + 1 = 0 Reorder the terms: 1 + 162x + 324x2 = 0 Solving 1 + 162x + 324x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 324 the coefficient of the squared term: Divide each side by '324'. 0.003086419753 + 0.5x + x2 = 0 Move the constant term to the right: Add '-0.003086419753' to each side of the equation. 0.003086419753 + 0.5x + -0.003086419753 + x2 = 0 + -0.003086419753 Reorder the terms: 0.003086419753 + -0.003086419753 + 0.5x + x2 = 0 + -0.003086419753 Combine like terms: 0.003086419753 + -0.003086419753 = 0.000000000000 0.000000000000 + 0.5x + x2 = 0 + -0.003086419753 0.5x + x2 = 0 + -0.003086419753 Combine like terms: 0 + -0.003086419753 = -0.003086419753 0.5x + x2 = -0.003086419753 The x term is 0.5x. Take half its coefficient (0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. 0.5x + 0.0625 + x2 = -0.003086419753 + 0.0625 Reorder the terms: 0.0625 + 0.5x + x2 = -0.003086419753 + 0.0625 Combine like terms: -0.003086419753 + 0.0625 = 0.059413580247 0.0625 + 0.5x + x2 = 0.059413580247 Factor a perfect square on the left side: (x + 0.25)(x + 0.25) = 0.059413580247 Calculate the square root of the right side: 0.243749011 Break this problem into two subproblems by setting (x + 0.25) equal to 0.243749011 and -0.243749011.Subproblem 1
x + 0.25 = 0.243749011 Simplifying x + 0.25 = 0.243749011 Reorder the terms: 0.25 + x = 0.243749011 Solving 0.25 + x = 0.243749011 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + x = 0.243749011 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + x = 0.243749011 + -0.25 x = 0.243749011 + -0.25 Combine like terms: 0.243749011 + -0.25 = -0.006250989 x = -0.006250989 Simplifying x = -0.006250989Subproblem 2
x + 0.25 = -0.243749011 Simplifying x + 0.25 = -0.243749011 Reorder the terms: 0.25 + x = -0.243749011 Solving 0.25 + x = -0.243749011 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + x = -0.243749011 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + x = -0.243749011 + -0.25 x = -0.243749011 + -0.25 Combine like terms: -0.243749011 + -0.25 = -0.493749011 x = -0.493749011 Simplifying x = -0.493749011Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.006250989, -0.493749011}
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