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Simplifying 8n2 + -5n + 4 = 0 Reorder the terms: 4 + -5n + 8n2 = 0 Solving 4 + -5n + 8n2 = 0 Solving for variable 'n'. Begin completing the square. Divide all terms by 8 the coefficient of the squared term: Divide each side by '8'. 0.5 + -0.625n + n2 = 0 Move the constant term to the right: Add '-0.5' to each side of the equation. 0.5 + -0.625n + -0.5 + n2 = 0 + -0.5 Reorder the terms: 0.5 + -0.5 + -0.625n + n2 = 0 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + -0.625n + n2 = 0 + -0.5 -0.625n + n2 = 0 + -0.5 Combine like terms: 0 + -0.5 = -0.5 -0.625n + n2 = -0.5 The n term is -0.625n. Take half its coefficient (-0.3125). Square it (0.09765625) and add it to both sides. Add '0.09765625' to each side of the equation. -0.625n + 0.09765625 + n2 = -0.5 + 0.09765625 Reorder the terms: 0.09765625 + -0.625n + n2 = -0.5 + 0.09765625 Combine like terms: -0.5 + 0.09765625 = -0.40234375 0.09765625 + -0.625n + n2 = -0.40234375 Factor a perfect square on the left side: (n + -0.3125)(n + -0.3125) = -0.40234375 Can't calculate square root of the right side. The solution to this equation could not be determined.
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