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Simplifying 5x2 + -6x + -26 = 0 Reorder the terms: -26 + -6x + 5x2 = 0 Solving -26 + -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'. -5.2 + -1.2x + x2 = 0 Move the constant term to the right: Add '5.2' to each side of the equation. -5.2 + -1.2x + 5.2 + x2 = 0 + 5.2 Reorder the terms: -5.2 + 5.2 + -1.2x + x2 = 0 + 5.2 Combine like terms: -5.2 + 5.2 = 0.0 0.0 + -1.2x + x2 = 0 + 5.2 -1.2x + x2 = 0 + 5.2 Combine like terms: 0 + 5.2 = 5.2 -1.2x + x2 = 5.2 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 = 5.2 + 0.36 Reorder the terms: 0.36 + -1.2x + x2 = 5.2 + 0.36 Combine like terms: 5.2 + 0.36 = 5.56 0.36 + -1.2x + x2 = 5.56 Factor a perfect square on the left side: (x + -0.6)(x + -0.6) = 5.56 Calculate the square root of the right side: 2.357965225 Break this problem into two subproblems by setting (x + -0.6) equal to 2.357965225 and -2.357965225.Subproblem 1
x + -0.6 = 2.357965225 Simplifying x + -0.6 = 2.357965225 Reorder the terms: -0.6 + x = 2.357965225 Solving -0.6 + x = 2.357965225 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 = 2.357965225 + 0.6 Combine like terms: -0.6 + 0.6 = 0.0 0.0 + x = 2.357965225 + 0.6 x = 2.357965225 + 0.6 Combine like terms: 2.357965225 + 0.6 = 2.957965225 x = 2.957965225 Simplifying x = 2.957965225Subproblem 2
x + -0.6 = -2.357965225 Simplifying x + -0.6 = -2.357965225 Reorder the terms: -0.6 + x = -2.357965225 Solving -0.6 + x = -2.357965225 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 = -2.357965225 + 0.6 Combine like terms: -0.6 + 0.6 = 0.0 0.0 + x = -2.357965225 + 0.6 x = -2.357965225 + 0.6 Combine like terms: -2.357965225 + 0.6 = -1.757965225 x = -1.757965225 Simplifying x = -1.757965225Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.957965225, -1.757965225}
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