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Simplifying 3x + 40 = -1x2 + -56 Reorder the terms: 40 + 3x = -1x2 + -56 Reorder the terms: 40 + 3x = -56 + -1x2 Solving 40 + 3x = -56 + -1x2 Solving for variable 'x'. Reorder the terms: 40 + 56 + 3x + x2 = -56 + -1x2 + 56 + x2 Combine like terms: 40 + 56 = 96 96 + 3x + x2 = -56 + -1x2 + 56 + x2 Reorder the terms: 96 + 3x + x2 = -56 + 56 + -1x2 + x2 Combine like terms: -56 + 56 = 0 96 + 3x + x2 = 0 + -1x2 + x2 96 + 3x + x2 = -1x2 + x2 Combine like terms: -1x2 + x2 = 0 96 + 3x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-96' to each side of the equation. 96 + 3x + -96 + x2 = 0 + -96 Reorder the terms: 96 + -96 + 3x + x2 = 0 + -96 Combine like terms: 96 + -96 = 0 0 + 3x + x2 = 0 + -96 3x + x2 = 0 + -96 Combine like terms: 0 + -96 = -96 3x + x2 = -96 The x term is 3x. Take half its coefficient (1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. 3x + 2.25 + x2 = -96 + 2.25 Reorder the terms: 2.25 + 3x + x2 = -96 + 2.25 Combine like terms: -96 + 2.25 = -93.75 2.25 + 3x + x2 = -93.75 Factor a perfect square on the left side: (x + 1.5)(x + 1.5) = -93.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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