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Simplifying 48x2 + x = 9 Reorder the terms: x + 48x2 = 9 Solving x + 48x2 = 9 Solving for variable 'x'. Reorder the terms: -9 + x + 48x2 = 9 + -9 Combine like terms: 9 + -9 = 0 -9 + x + 48x2 = 0 Begin completing the square. Divide all terms by 48 the coefficient of the squared term: Divide each side by '48'. -0.1875 + 0.02083333333x + x2 = 0 Move the constant term to the right: Add '0.1875' to each side of the equation. -0.1875 + 0.02083333333x + 0.1875 + x2 = 0 + 0.1875 Reorder the terms: -0.1875 + 0.1875 + 0.02083333333x + x2 = 0 + 0.1875 Combine like terms: -0.1875 + 0.1875 = 0.0000 0.0000 + 0.02083333333x + x2 = 0 + 0.1875 0.02083333333x + x2 = 0 + 0.1875 Combine like terms: 0 + 0.1875 = 0.1875 0.02083333333x + x2 = 0.1875 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. 0.02083333333x + 0.25 + x2 = 0.1875 + 0.25 Reorder the terms: 0.25 + 0.02083333333x + x2 = 0.1875 + 0.25 Combine like terms: 0.1875 + 0.25 = 0.4375 0.25 + 0.02083333333x + x2 = 0.4375 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 0.4375 Calculate the square root of the right side: 0.661437828 Break this problem into two subproblems by setting (x + 0.5) equal to 0.661437828 and -0.661437828.Subproblem 1
x + 0.5 = 0.661437828 Simplifying x + 0.5 = 0.661437828 Reorder the terms: 0.5 + x = 0.661437828 Solving 0.5 + x = 0.661437828 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 = 0.661437828 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.661437828 + -0.5 x = 0.661437828 + -0.5 Combine like terms: 0.661437828 + -0.5 = 0.161437828 x = 0.161437828 Simplifying x = 0.161437828Subproblem 2
x + 0.5 = -0.661437828 Simplifying x + 0.5 = -0.661437828 Reorder the terms: 0.5 + x = -0.661437828 Solving 0.5 + x = -0.661437828 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 = -0.661437828 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.661437828 + -0.5 x = -0.661437828 + -0.5 Combine like terms: -0.661437828 + -0.5 = -1.161437828 x = -1.161437828 Simplifying x = -1.161437828Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.161437828, -1.161437828}
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