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Simplifying x4 + -1x2 + 10 = 0 Reorder the terms: 10 + -1x2 + x4 = 0 Solving 10 + -1x2 + x4 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-10' to each side of the equation. 10 + -1x2 + -10 + x4 = 0 + -10 Reorder the terms: 10 + -10 + -1x2 + x4 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x2 + x4 = 0 + -10 -1x2 + x4 = 0 + -10 Combine like terms: 0 + -10 = -10 -1x2 + x4 = -10 The x term is -1x2. Take half its coefficient (-0.5). Square it (0.25) and add it to both sides. Add '0.25' to each side of the equation. -1x2 + 0.25 + x4 = -10 + 0.25 Reorder the terms: 0.25 + -1x2 + x4 = -10 + 0.25 Combine like terms: -10 + 0.25 = -9.75 0.25 + -1x2 + x4 = -9.75 Factor a perfect square on the left side: (x2 + -0.5)(x2 + -0.5) = -9.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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