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Simplifying 4x2 + 6x = -12 Reorder the terms: 6x + 4x2 = -12 Solving 6x + 4x2 = -12 Solving for variable 'x'. Reorder the terms: 12 + 6x + 4x2 = -12 + 12 Combine like terms: -12 + 12 = 0 12 + 6x + 4x2 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(6 + 3x + 2x2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(6 + 3x + 2x2)' equal to zero and attempt to solve: Simplifying 6 + 3x + 2x2 = 0 Solving 6 + 3x + 2x2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 3 + 1.5x + x2 = 0 Move the constant term to the right: Add '-3' to each side of the equation. 3 + 1.5x + -3 + x2 = 0 + -3 Reorder the terms: 3 + -3 + 1.5x + x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 1.5x + x2 = 0 + -3 1.5x + x2 = 0 + -3 Combine like terms: 0 + -3 = -3 1.5x + x2 = -3 The x term is 1.5x. Take half its coefficient (0.75). Square it (0.5625) and add it to both sides. Add '0.5625' to each side of the equation. 1.5x + 0.5625 + x2 = -3 + 0.5625 Reorder the terms: 0.5625 + 1.5x + x2 = -3 + 0.5625 Combine like terms: -3 + 0.5625 = -2.4375 0.5625 + 1.5x + x2 = -2.4375 Factor a perfect square on the left side: (x + 0.75)(x + 0.75) = -2.4375 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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