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Simplifying 24x2 + 12x + -7 = 0 Reorder the terms: -7 + 12x + 24x2 = 0 Solving -7 + 12x + 24x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 24 the coefficient of the squared term: Divide each side by '24'. -0.2916666667 + 0.5x + x2 = 0 Move the constant term to the right: Add '0.2916666667' to each side of the equation. -0.2916666667 + 0.5x + 0.2916666667 + x2 = 0 + 0.2916666667 Reorder the terms: -0.2916666667 + 0.2916666667 + 0.5x + x2 = 0 + 0.2916666667 Combine like terms: -0.2916666667 + 0.2916666667 = 0.0000000000 0.0000000000 + 0.5x + x2 = 0 + 0.2916666667 0.5x + x2 = 0 + 0.2916666667 Combine like terms: 0 + 0.2916666667 = 0.2916666667 0.5x + x2 = 0.2916666667 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 = 0.2916666667 + 0.0625 Reorder the terms: 0.0625 + 0.5x + x2 = 0.2916666667 + 0.0625 Combine like terms: 0.2916666667 + 0.0625 = 0.3541666667 0.0625 + 0.5x + x2 = 0.3541666667 Factor a perfect square on the left side: (x + 0.25)(x + 0.25) = 0.3541666667 Calculate the square root of the right side: 0.595119036 Break this problem into two subproblems by setting (x + 0.25) equal to 0.595119036 and -0.595119036.Subproblem 1
x + 0.25 = 0.595119036 Simplifying x + 0.25 = 0.595119036 Reorder the terms: 0.25 + x = 0.595119036 Solving 0.25 + x = 0.595119036 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 = 0.595119036 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + x = 0.595119036 + -0.25 x = 0.595119036 + -0.25 Combine like terms: 0.595119036 + -0.25 = 0.345119036 x = 0.345119036 Simplifying x = 0.345119036Subproblem 2
x + 0.25 = -0.595119036 Simplifying x + 0.25 = -0.595119036 Reorder the terms: 0.25 + x = -0.595119036 Solving 0.25 + x = -0.595119036 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 = -0.595119036 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + x = -0.595119036 + -0.25 x = -0.595119036 + -0.25 Combine like terms: -0.595119036 + -0.25 = -0.845119036 x = -0.845119036 Simplifying x = -0.845119036Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.345119036, -0.845119036}
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