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Simplifying 2m2 + -7m + -23 = 0 Reorder the terms: -23 + -7m + 2m2 = 0 Solving -23 + -7m + 2m2 = 0 Solving for variable 'm'. Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -11.5 + -3.5m + m2 = 0 Move the constant term to the right: Add '11.5' to each side of the equation. -11.5 + -3.5m + 11.5 + m2 = 0 + 11.5 Reorder the terms: -11.5 + 11.5 + -3.5m + m2 = 0 + 11.5 Combine like terms: -11.5 + 11.5 = 0.0 0.0 + -3.5m + m2 = 0 + 11.5 -3.5m + m2 = 0 + 11.5 Combine like terms: 0 + 11.5 = 11.5 -3.5m + m2 = 11.5 The m term is -3.5m. Take half its coefficient (-1.75). Square it (3.0625) and add it to both sides. Add '3.0625' to each side of the equation. -3.5m + 3.0625 + m2 = 11.5 + 3.0625 Reorder the terms: 3.0625 + -3.5m + m2 = 11.5 + 3.0625 Combine like terms: 11.5 + 3.0625 = 14.5625 3.0625 + -3.5m + m2 = 14.5625 Factor a perfect square on the left side: (m + -1.75)(m + -1.75) = 14.5625 Calculate the square root of the right side: 3.816084381 Break this problem into two subproblems by setting (m + -1.75) equal to 3.816084381 and -3.816084381.Subproblem 1
m + -1.75 = 3.816084381 Simplifying m + -1.75 = 3.816084381 Reorder the terms: -1.75 + m = 3.816084381 Solving -1.75 + m = 3.816084381 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1.75' to each side of the equation. -1.75 + 1.75 + m = 3.816084381 + 1.75 Combine like terms: -1.75 + 1.75 = 0.00 0.00 + m = 3.816084381 + 1.75 m = 3.816084381 + 1.75 Combine like terms: 3.816084381 + 1.75 = 5.566084381 m = 5.566084381 Simplifying m = 5.566084381Subproblem 2
m + -1.75 = -3.816084381 Simplifying m + -1.75 = -3.816084381 Reorder the terms: -1.75 + m = -3.816084381 Solving -1.75 + m = -3.816084381 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '1.75' to each side of the equation. -1.75 + 1.75 + m = -3.816084381 + 1.75 Combine like terms: -1.75 + 1.75 = 0.00 0.00 + m = -3.816084381 + 1.75 m = -3.816084381 + 1.75 Combine like terms: -3.816084381 + 1.75 = -2.066084381 m = -2.066084381 Simplifying m = -2.066084381Solution
The solution to the problem is based on the solutions from the subproblems. m = {5.566084381, -2.066084381}
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