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Simplifying x4 + -11x2 + 100 = 0 Reorder the terms: 100 + -11x2 + x4 = 0 Solving 100 + -11x2 + x4 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-100' to each side of the equation. 100 + -11x2 + -100 + x4 = 0 + -100 Reorder the terms: 100 + -100 + -11x2 + x4 = 0 + -100 Combine like terms: 100 + -100 = 0 0 + -11x2 + x4 = 0 + -100 -11x2 + x4 = 0 + -100 Combine like terms: 0 + -100 = -100 -11x2 + x4 = -100 The x term is -11x2. Take half its coefficient (-5.5). Square it (30.25) and add it to both sides. Add '30.25' to each side of the equation. -11x2 + 30.25 + x4 = -100 + 30.25 Reorder the terms: 30.25 + -11x2 + x4 = -100 + 30.25 Combine like terms: -100 + 30.25 = -69.75 30.25 + -11x2 + x4 = -69.75 Factor a perfect square on the left side: (x2 + -5.5)(x2 + -5.5) = -69.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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