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Simplifying 2m2 + -7m + -12 = -10 Reorder the terms: -12 + -7m + 2m2 = -10 Solving -12 + -7m + 2m2 = -10 Solving for variable 'm'. Reorder the terms: -12 + 10 + -7m + 2m2 = -10 + 10 Combine like terms: -12 + 10 = -2 -2 + -7m + 2m2 = -10 + 10 Combine like terms: -10 + 10 = 0 -2 + -7m + 2m2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -1 + -3.5m + m2 = 0 Move the constant term to the right: Add '1' to each side of the equation. -1 + -3.5m + 1 + m2 = 0 + 1 Reorder the terms: -1 + 1 + -3.5m + m2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -3.5m + m2 = 0 + 1 -3.5m + m2 = 0 + 1 Combine like terms: 0 + 1 = 1 -3.5m + m2 = 1 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 = 1 + 3.0625 Reorder the terms: 3.0625 + -3.5m + m2 = 1 + 3.0625 Combine like terms: 1 + 3.0625 = 4.0625 3.0625 + -3.5m + m2 = 4.0625 Factor a perfect square on the left side: (m + -1.75)(m + -1.75) = 4.0625 Calculate the square root of the right side: 2.015564437 Break this problem into two subproblems by setting (m + -1.75) equal to 2.015564437 and -2.015564437.Subproblem 1
m + -1.75 = 2.015564437 Simplifying m + -1.75 = 2.015564437 Reorder the terms: -1.75 + m = 2.015564437 Solving -1.75 + m = 2.015564437 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 = 2.015564437 + 1.75 Combine like terms: -1.75 + 1.75 = 0.00 0.00 + m = 2.015564437 + 1.75 m = 2.015564437 + 1.75 Combine like terms: 2.015564437 + 1.75 = 3.765564437 m = 3.765564437 Simplifying m = 3.765564437Subproblem 2
m + -1.75 = -2.015564437 Simplifying m + -1.75 = -2.015564437 Reorder the terms: -1.75 + m = -2.015564437 Solving -1.75 + m = -2.015564437 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 = -2.015564437 + 1.75 Combine like terms: -1.75 + 1.75 = 0.00 0.00 + m = -2.015564437 + 1.75 m = -2.015564437 + 1.75 Combine like terms: -2.015564437 + 1.75 = -0.265564437 m = -0.265564437 Simplifying m = -0.265564437Solution
The solution to the problem is based on the solutions from the subproblems. m = {3.765564437, -0.265564437}
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