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Simplifying 5x2 + x + -10.5 = 0 Reorder the terms: -10.5 + x + 5x2 = 0 Solving -10.5 + x + 5x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. -2.1 + 0.2x + x2 = 0 Move the constant term to the right: Add '2.1' to each side of the equation. -2.1 + 0.2x + 2.1 + x2 = 0 + 2.1 Reorder the terms: -2.1 + 2.1 + 0.2x + x2 = 0 + 2.1 Combine like terms: -2.1 + 2.1 = 0.0 0.0 + 0.2x + x2 = 0 + 2.1 0.2x + x2 = 0 + 2.1 Combine like terms: 0 + 2.1 = 2.1 0.2x + x2 = 2.1 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. 0.2x + 0.25 + x2 = 2.1 + 0.25 Reorder the terms: 0.25 + 0.2x + x2 = 2.1 + 0.25 Combine like terms: 2.1 + 0.25 = 2.35 0.25 + 0.2x + x2 = 2.35 Factor a perfect square on the left side: (x + 0.5)(x + 0.5) = 2.35 Calculate the square root of the right side: 1.532970972 Break this problem into two subproblems by setting (x + 0.5) equal to 1.532970972 and -1.532970972.Subproblem 1
x + 0.5 = 1.532970972 Simplifying x + 0.5 = 1.532970972 Reorder the terms: 0.5 + x = 1.532970972 Solving 0.5 + x = 1.532970972 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 = 1.532970972 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 1.532970972 + -0.5 x = 1.532970972 + -0.5 Combine like terms: 1.532970972 + -0.5 = 1.032970972 x = 1.032970972 Simplifying x = 1.032970972Subproblem 2
x + 0.5 = -1.532970972 Simplifying x + 0.5 = -1.532970972 Reorder the terms: 0.5 + x = -1.532970972 Solving 0.5 + x = -1.532970972 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 = -1.532970972 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -1.532970972 + -0.5 x = -1.532970972 + -0.5 Combine like terms: -1.532970972 + -0.5 = -2.032970972 x = -2.032970972 Simplifying x = -2.032970972Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.032970972, -2.032970972}
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