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Simplifying -6a2 + 12a + -12 = 0 Reorder the terms: -12 + 12a + -6a2 = 0 Solving -12 + 12a + -6a2 = 0 Solving for variable 'a'. Factor out the Greatest Common Factor (GCF), '6'. 6(-2 + 2a + -1a2) = 0 Ignore the factor 6.Subproblem 1
Set the factor '(-2 + 2a + -1a2)' equal to zero and attempt to solve: Simplifying -2 + 2a + -1a2 = 0 Solving -2 + 2a + -1a2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. 2 + -2a + a2 = 0 Move the constant term to the right: Add '-2' to each side of the equation. 2 + -2a + -2 + a2 = 0 + -2 Reorder the terms: 2 + -2 + -2a + a2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -2a + a2 = 0 + -2 -2a + a2 = 0 + -2 Combine like terms: 0 + -2 = -2 -2a + a2 = -2 The a term is -2a. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2a + 1 + a2 = -2 + 1 Reorder the terms: 1 + -2a + a2 = -2 + 1 Combine like terms: -2 + 1 = -1 1 + -2a + a2 = -1 Factor a perfect square on the left side: (a + -1)(a + -1) = -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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