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Simplifying m2 + 8m + 4 = 0 Reorder the terms: 4 + 8m + m2 = 0 Solving 4 + 8m + m2 = 0 Solving for variable 'm'. Begin completing the square. Move the constant term to the right: Add '-4' to each side of the equation. 4 + 8m + -4 + m2 = 0 + -4 Reorder the terms: 4 + -4 + 8m + m2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 8m + m2 = 0 + -4 8m + m2 = 0 + -4 Combine like terms: 0 + -4 = -4 8m + m2 = -4 The m term is 8m. Take half its coefficient (4). Square it (16) and add it to both sides. Add '16' to each side of the equation. 8m + 16 + m2 = -4 + 16 Reorder the terms: 16 + 8m + m2 = -4 + 16 Combine like terms: -4 + 16 = 12 16 + 8m + m2 = 12 Factor a perfect square on the left side: (m + 4)(m + 4) = 12 Calculate the square root of the right side: 3.464101615 Break this problem into two subproblems by setting (m + 4) equal to 3.464101615 and -3.464101615.Subproblem 1
m + 4 = 3.464101615 Simplifying m + 4 = 3.464101615 Reorder the terms: 4 + m = 3.464101615 Solving 4 + m = 3.464101615 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + m = 3.464101615 + -4 Combine like terms: 4 + -4 = 0 0 + m = 3.464101615 + -4 m = 3.464101615 + -4 Combine like terms: 3.464101615 + -4 = -0.535898385 m = -0.535898385 Simplifying m = -0.535898385Subproblem 2
m + 4 = -3.464101615 Simplifying m + 4 = -3.464101615 Reorder the terms: 4 + m = -3.464101615 Solving 4 + m = -3.464101615 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + m = -3.464101615 + -4 Combine like terms: 4 + -4 = 0 0 + m = -3.464101615 + -4 m = -3.464101615 + -4 Combine like terms: -3.464101615 + -4 = -7.464101615 m = -7.464101615 Simplifying m = -7.464101615Solution
The solution to the problem is based on the solutions from the subproblems. m = {-0.535898385, -7.464101615}
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