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Simplifying 5m2 + -3m + -15 = 0 Reorder the terms: -15 + -3m + 5m2 = 0 Solving -15 + -3m + 5m2 = 0 Solving for variable 'm'. Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. -3 + -0.6m + m2 = 0 Move the constant term to the right: Add '3' to each side of the equation. -3 + -0.6m + 3 + m2 = 0 + 3 Reorder the terms: -3 + 3 + -0.6m + m2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -0.6m + m2 = 0 + 3 -0.6m + m2 = 0 + 3 Combine like terms: 0 + 3 = 3 -0.6m + m2 = 3 The m term is -0.6m. Take half its coefficient (-0.3). Square it (0.09) and add it to both sides. Add '0.09' to each side of the equation. -0.6m + 0.09 + m2 = 3 + 0.09 Reorder the terms: 0.09 + -0.6m + m2 = 3 + 0.09 Combine like terms: 3 + 0.09 = 3.09 0.09 + -0.6m + m2 = 3.09 Factor a perfect square on the left side: (m + -0.3)(m + -0.3) = 3.09 Calculate the square root of the right side: 1.757839583 Break this problem into two subproblems by setting (m + -0.3) equal to 1.757839583 and -1.757839583.Subproblem 1
m + -0.3 = 1.757839583 Simplifying m + -0.3 = 1.757839583 Reorder the terms: -0.3 + m = 1.757839583 Solving -0.3 + m = 1.757839583 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.3' to each side of the equation. -0.3 + 0.3 + m = 1.757839583 + 0.3 Combine like terms: -0.3 + 0.3 = 0.0 0.0 + m = 1.757839583 + 0.3 m = 1.757839583 + 0.3 Combine like terms: 1.757839583 + 0.3 = 2.057839583 m = 2.057839583 Simplifying m = 2.057839583Subproblem 2
m + -0.3 = -1.757839583 Simplifying m + -0.3 = -1.757839583 Reorder the terms: -0.3 + m = -1.757839583 Solving -0.3 + m = -1.757839583 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '0.3' to each side of the equation. -0.3 + 0.3 + m = -1.757839583 + 0.3 Combine like terms: -0.3 + 0.3 = 0.0 0.0 + m = -1.757839583 + 0.3 m = -1.757839583 + 0.3 Combine like terms: -1.757839583 + 0.3 = -1.457839583 m = -1.457839583 Simplifying m = -1.457839583Solution
The solution to the problem is based on the solutions from the subproblems. m = {2.057839583, -1.457839583}
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