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Simplifying 9n2 + -36n + 45 = 0 Reorder the terms: 45 + -36n + 9n2 = 0 Solving 45 + -36n + 9n2 = 0 Solving for variable 'n'. Factor out the Greatest Common Factor (GCF), '9'. 9(5 + -4n + n2) = 0 Ignore the factor 9.Subproblem 1
Set the factor '(5 + -4n + n2)' equal to zero and attempt to solve: Simplifying 5 + -4n + n2 = 0 Solving 5 + -4n + n2 = 0 Begin completing the square. Move the constant term to the right: Add '-5' to each side of the equation. 5 + -4n + -5 + n2 = 0 + -5 Reorder the terms: 5 + -5 + -4n + n2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4n + n2 = 0 + -5 -4n + n2 = 0 + -5 Combine like terms: 0 + -5 = -5 -4n + n2 = -5 The n term is -4n. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4n + 4 + n2 = -5 + 4 Reorder the terms: 4 + -4n + n2 = -5 + 4 Combine like terms: -5 + 4 = -1 4 + -4n + n2 = -1 Factor a perfect square on the left side: (n + -2)(n + -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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