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Simplifying m(m + -8) = 7 Reorder the terms: m(-8 + m) = 7 (-8 * m + m * m) = 7 (-8m + m2) = 7 Solving -8m + m2 = 7 Solving for variable 'm'. Reorder the terms: -7 + -8m + m2 = 7 + -7 Combine like terms: 7 + -7 = 0 -7 + -8m + m2 = 0 Begin completing the square. Move the constant term to the right: Add '7' to each side of the equation. -7 + -8m + 7 + m2 = 0 + 7 Reorder the terms: -7 + 7 + -8m + m2 = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -8m + m2 = 0 + 7 -8m + m2 = 0 + 7 Combine like terms: 0 + 7 = 7 -8m + m2 = 7 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 = 7 + 16 Reorder the terms: 16 + -8m + m2 = 7 + 16 Combine like terms: 7 + 16 = 23 16 + -8m + m2 = 23 Factor a perfect square on the left side: (m + -4)(m + -4) = 23 Calculate the square root of the right side: 4.795831523 Break this problem into two subproblems by setting (m + -4) equal to 4.795831523 and -4.795831523.Subproblem 1
m + -4 = 4.795831523 Simplifying m + -4 = 4.795831523 Reorder the terms: -4 + m = 4.795831523 Solving -4 + m = 4.795831523 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 = 4.795831523 + 4 Combine like terms: -4 + 4 = 0 0 + m = 4.795831523 + 4 m = 4.795831523 + 4 Combine like terms: 4.795831523 + 4 = 8.795831523 m = 8.795831523 Simplifying m = 8.795831523Subproblem 2
m + -4 = -4.795831523 Simplifying m + -4 = -4.795831523 Reorder the terms: -4 + m = -4.795831523 Solving -4 + m = -4.795831523 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 = -4.795831523 + 4 Combine like terms: -4 + 4 = 0 0 + m = -4.795831523 + 4 m = -4.795831523 + 4 Combine like terms: -4.795831523 + 4 = -0.795831523 m = -0.795831523 Simplifying m = -0.795831523Solution
The solution to the problem is based on the solutions from the subproblems. m = {8.795831523, -0.795831523}
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