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Simplifying n2 + -1n + 4 = 0 Reorder the terms: 4 + -1n + n2 = 0 Solving 4 + -1n + n2 = 0 Solving for variable 'n'. Begin completing the square. Move the constant term to the right: Add '-4' to each side of the equation. 4 + -1n + -4 + n2 = 0 + -4 Reorder the terms: 4 + -4 + -1n + n2 = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1n + n2 = 0 + -4 -1n + n2 = 0 + -4 Combine like terms: 0 + -4 = -4 -1n + n2 = -4 The n term is -1n. 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. -1n + 0.25 + n2 = -4 + 0.25 Reorder the terms: 0.25 + -1n + n2 = -4 + 0.25 Combine like terms: -4 + 0.25 = -3.75 0.25 + -1n + n2 = -3.75 Factor a perfect square on the left side: (n + -0.5)(n + -0.5) = -3.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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