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Simplifying 3x2 + 12x + 36 = -66 Reorder the terms: 36 + 12x + 3x2 = -66 Solving 36 + 12x + 3x2 = -66 Solving for variable 'x'. Reorder the terms: 36 + 66 + 12x + 3x2 = -66 + 66 Combine like terms: 36 + 66 = 102 102 + 12x + 3x2 = -66 + 66 Combine like terms: -66 + 66 = 0 102 + 12x + 3x2 = 0 Factor out the Greatest Common Factor (GCF), '3'. 3(34 + 4x + x2) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(34 + 4x + x2)' equal to zero and attempt to solve: Simplifying 34 + 4x + x2 = 0 Solving 34 + 4x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-34' to each side of the equation. 34 + 4x + -34 + x2 = 0 + -34 Reorder the terms: 34 + -34 + 4x + x2 = 0 + -34 Combine like terms: 34 + -34 = 0 0 + 4x + x2 = 0 + -34 4x + x2 = 0 + -34 Combine like terms: 0 + -34 = -34 4x + x2 = -34 The x term is 4x. Take half its coefficient (2). Square it (4) and add it to both sides. Add '4' to each side of the equation. 4x + 4 + x2 = -34 + 4 Reorder the terms: 4 + 4x + x2 = -34 + 4 Combine like terms: -34 + 4 = -30 4 + 4x + x2 = -30 Factor a perfect square on the left side: (x + 2)(x + 2) = -30 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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