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Simplifying x2 + -6x2 + 16x + -96 = 0 Reorder the terms: -96 + 16x + x2 + -6x2 = 0 Combine like terms: x2 + -6x2 = -5x2 -96 + 16x + -5x2 = 0 Solving -96 + 16x + -5x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -5 the coefficient of the squared term: Divide each side by '-5'. 19.2 + -3.2x + x2 = 0 Move the constant term to the right: Add '-19.2' to each side of the equation. 19.2 + -3.2x + -19.2 + x2 = 0 + -19.2 Reorder the terms: 19.2 + -19.2 + -3.2x + x2 = 0 + -19.2 Combine like terms: 19.2 + -19.2 = 0.0 0.0 + -3.2x + x2 = 0 + -19.2 -3.2x + x2 = 0 + -19.2 Combine like terms: 0 + -19.2 = -19.2 -3.2x + x2 = -19.2 The x term is -3.2x. Take half its coefficient (-1.6). Square it (2.56) and add it to both sides. Add '2.56' to each side of the equation. -3.2x + 2.56 + x2 = -19.2 + 2.56 Reorder the terms: 2.56 + -3.2x + x2 = -19.2 + 2.56 Combine like terms: -19.2 + 2.56 = -16.64 2.56 + -3.2x + x2 = -16.64 Factor a perfect square on the left side: (x + -1.6)(x + -1.6) = -16.64 Can't calculate square root of the right side. The solution to this equation could not be determined.
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