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Simplifying 2x2 + -1x = -1.5 Reorder the terms: -1x + 2x2 = -1.5 Solving -1x + 2x2 = -1.5 Solving for variable 'x'. Reorder the terms: 1.5 + -1x + 2x2 = -1.5 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 1.5 + -1x + 2x2 = 0.0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 0.75 + -0.5x + x2 = 0.0 Move the constant term to the right: Add '-0.75' to each side of the equation. 0.75 + -0.5x + -0.75 + x2 = 0.0 + -0.75 Reorder the terms: 0.75 + -0.75 + -0.5x + x2 = 0.0 + -0.75 Combine like terms: 0.75 + -0.75 = 0.00 0.00 + -0.5x + x2 = 0.0 + -0.75 -0.5x + x2 = 0.0 + -0.75 Combine like terms: 0.0 + -0.75 = -0.75 -0.5x + x2 = -0.75 The x term is -0.5x. Take half its coefficient (-0.25). Square it (0.0625) and add it to both sides. Add '0.0625' to each side of the equation. -0.5x + 0.0625 + x2 = -0.75 + 0.0625 Reorder the terms: 0.0625 + -0.5x + x2 = -0.75 + 0.0625 Combine like terms: -0.75 + 0.0625 = -0.6875 0.0625 + -0.5x + x2 = -0.6875 Factor a perfect square on the left side: (x + -0.25)(x + -0.25) = -0.6875 Can't calculate square root of the right side. The solution to this equation could not be determined.
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