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Simplifying 6X2 + 12X + -48 = -72 Reorder the terms: -48 + 12X + 6X2 = -72 Solving -48 + 12X + 6X2 = -72 Solving for variable 'X'. Reorder the terms: -48 + 72 + 12X + 6X2 = -72 + 72 Combine like terms: -48 + 72 = 24 24 + 12X + 6X2 = -72 + 72 Combine like terms: -72 + 72 = 0 24 + 12X + 6X2 = 0 Factor out the Greatest Common Factor (GCF), '6'. 6(4 + 2X + X2) = 0 Ignore the factor 6.Subproblem 1
Set the factor '(4 + 2X + X2)' equal to zero and attempt to solve: Simplifying 4 + 2X + X2 = 0 Solving 4 + 2X + X2 = 0 Begin completing the square. Move the constant term to the right: Add '-4' to each side of the equation. 4 + 2X + -4 + X2 = 0 + -4 Reorder the terms: 4 + -4 + 2X + X2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 2X + X2 = 0 + -4 2X + X2 = 0 + -4 Combine like terms: 0 + -4 = -4 2X + X2 = -4 The X term is 2X. Take half its coefficient (1). Square it (1) and add it to both sides. Add '1' to each side of the equation. 2X + 1 + X2 = -4 + 1 Reorder the terms: 1 + 2X + X2 = -4 + 1 Combine like terms: -4 + 1 = -3 1 + 2X + X2 = -3 Factor a perfect square on the left side: (X + 1)(X + 1) = -3 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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