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Simplifying 3n2 = 12n + -36 Reorder the terms: 3n2 = -36 + 12n Solving 3n2 = -36 + 12n Solving for variable 'n'. Reorder the terms: 36 + -12n + 3n2 = -36 + 12n + 36 + -12n Reorder the terms: 36 + -12n + 3n2 = -36 + 36 + 12n + -12n Combine like terms: -36 + 36 = 0 36 + -12n + 3n2 = 0 + 12n + -12n 36 + -12n + 3n2 = 12n + -12n Combine like terms: 12n + -12n = 0 36 + -12n + 3n2 = 0 Factor out the Greatest Common Factor (GCF), '3'. 3(12 + -4n + n2) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(12 + -4n + n2)' equal to zero and attempt to solve: Simplifying 12 + -4n + n2 = 0 Solving 12 + -4n + n2 = 0 Begin completing the square. Move the constant term to the right: Add '-12' to each side of the equation. 12 + -4n + -12 + n2 = 0 + -12 Reorder the terms: 12 + -12 + -4n + n2 = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -4n + n2 = 0 + -12 -4n + n2 = 0 + -12 Combine like terms: 0 + -12 = -12 -4n + n2 = -12 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 = -12 + 4 Reorder the terms: 4 + -4n + n2 = -12 + 4 Combine like terms: -12 + 4 = -8 4 + -4n + n2 = -8 Factor a perfect square on the left side: (n + -2)(n + -2) = -8 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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