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Simplifying 5x2 + 6x + -44 = 0 Reorder the terms: -44 + 6x + 5x2 = 0 Solving -44 + 6x + 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'. -8.8 + 1.2x + x2 = 0 Move the constant term to the right: Add '8.8' to each side of the equation. -8.8 + 1.2x + 8.8 + x2 = 0 + 8.8 Reorder the terms: -8.8 + 8.8 + 1.2x + x2 = 0 + 8.8 Combine like terms: -8.8 + 8.8 = 0.0 0.0 + 1.2x + x2 = 0 + 8.8 1.2x + x2 = 0 + 8.8 Combine like terms: 0 + 8.8 = 8.8 1.2x + x2 = 8.8 The x term is 1.2x. Take half its coefficient (0.6). Square it (0.36) and add it to both sides. Add '0.36' to each side of the equation. 1.2x + 0.36 + x2 = 8.8 + 0.36 Reorder the terms: 0.36 + 1.2x + x2 = 8.8 + 0.36 Combine like terms: 8.8 + 0.36 = 9.16 0.36 + 1.2x + x2 = 9.16 Factor a perfect square on the left side: (x + 0.6)(x + 0.6) = 9.16 Calculate the square root of the right side: 3.02654919 Break this problem into two subproblems by setting (x + 0.6) equal to 3.02654919 and -3.02654919.Subproblem 1
x + 0.6 = 3.02654919 Simplifying x + 0.6 = 3.02654919 Reorder the terms: 0.6 + x = 3.02654919 Solving 0.6 + x = 3.02654919 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6' to each side of the equation. 0.6 + -0.6 + x = 3.02654919 + -0.6 Combine like terms: 0.6 + -0.6 = 0.0 0.0 + x = 3.02654919 + -0.6 x = 3.02654919 + -0.6 Combine like terms: 3.02654919 + -0.6 = 2.42654919 x = 2.42654919 Simplifying x = 2.42654919Subproblem 2
x + 0.6 = -3.02654919 Simplifying x + 0.6 = -3.02654919 Reorder the terms: 0.6 + x = -3.02654919 Solving 0.6 + x = -3.02654919 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.6' to each side of the equation. 0.6 + -0.6 + x = -3.02654919 + -0.6 Combine like terms: 0.6 + -0.6 = 0.0 0.0 + x = -3.02654919 + -0.6 x = -3.02654919 + -0.6 Combine like terms: -3.02654919 + -0.6 = -3.62654919 x = -3.62654919 Simplifying x = -3.62654919Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.42654919, -3.62654919}
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