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Simplifying -5M2 + 20M + -25 = 0 Reorder the terms: -25 + 20M + -5M2 = 0 Solving -25 + 20M + -5M2 = 0 Solving for variable 'M'. Factor out the Greatest Common Factor (GCF), '5'. 5(-5 + 4M + -1M2) = 0 Ignore the factor 5.Subproblem 1
Set the factor '(-5 + 4M + -1M2)' equal to zero and attempt to solve: Simplifying -5 + 4M + -1M2 = 0 Solving -5 + 4M + -1M2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. 5 + -4M + M2 = 0 Move the constant term to the right: Add '-5' to each side of the equation. 5 + -4M + -5 + M2 = 0 + -5 Reorder the terms: 5 + -5 + -4M + M2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4M + M2 = 0 + -5 -4M + M2 = 0 + -5 Combine like terms: 0 + -5 = -5 -4M + M2 = -5 The M term is -4M. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4M + 4 + M2 = -5 + 4 Reorder the terms: 4 + -4M + M2 = -5 + 4 Combine like terms: -5 + 4 = -1 4 + -4M + M2 = -1 Factor a perfect square on the left side: (M + -2)(M + -2) = -1 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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