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Simplifying 2x2 + 24x + 25 = 0 Reorder the terms: 25 + 24x + 2x2 = 0 Solving 25 + 24x + 2x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 12.5 + 12x + x2 = 0 Move the constant term to the right: Add '-12.5' to each side of the equation. 12.5 + 12x + -12.5 + x2 = 0 + -12.5 Reorder the terms: 12.5 + -12.5 + 12x + x2 = 0 + -12.5 Combine like terms: 12.5 + -12.5 = 0.0 0.0 + 12x + x2 = 0 + -12.5 12x + x2 = 0 + -12.5 Combine like terms: 0 + -12.5 = -12.5 12x + x2 = -12.5 The x term is 12x. Take half its coefficient (6). Square it (36) and add it to both sides. Add '36' to each side of the equation. 12x + 36 + x2 = -12.5 + 36 Reorder the terms: 36 + 12x + x2 = -12.5 + 36 Combine like terms: -12.5 + 36 = 23.5 36 + 12x + x2 = 23.5 Factor a perfect square on the left side: (x + 6)(x + 6) = 23.5 Calculate the square root of the right side: 4.847679857 Break this problem into two subproblems by setting (x + 6) equal to 4.847679857 and -4.847679857.Subproblem 1
x + 6 = 4.847679857 Simplifying x + 6 = 4.847679857 Reorder the terms: 6 + x = 4.847679857 Solving 6 + x = 4.847679857 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 4.847679857 + -6 Combine like terms: 6 + -6 = 0 0 + x = 4.847679857 + -6 x = 4.847679857 + -6 Combine like terms: 4.847679857 + -6 = -1.152320143 x = -1.152320143 Simplifying x = -1.152320143Subproblem 2
x + 6 = -4.847679857 Simplifying x + 6 = -4.847679857 Reorder the terms: 6 + x = -4.847679857 Solving 6 + x = -4.847679857 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = -4.847679857 + -6 Combine like terms: 6 + -6 = 0 0 + x = -4.847679857 + -6 x = -4.847679857 + -6 Combine like terms: -4.847679857 + -6 = -10.847679857 x = -10.847679857 Simplifying x = -10.847679857Solution
The solution to the problem is based on the solutions from the subproblems. x = {-1.152320143, -10.847679857}
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