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Simplifying 8n2 + -10n + 10 = 0 Reorder the terms: 10 + -10n + 8n2 = 0 Solving 10 + -10n + 8n2 = 0 Solving for variable 'n'. Factor out the Greatest Common Factor (GCF), '2'. 2(5 + -5n + 4n2) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(5 + -5n + 4n2)' equal to zero and attempt to solve: Simplifying 5 + -5n + 4n2 = 0 Solving 5 + -5n + 4n2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 1.25 + -1.25n + n2 = 0 Move the constant term to the right: Add '-1.25' to each side of the equation. 1.25 + -1.25n + -1.25 + n2 = 0 + -1.25 Reorder the terms: 1.25 + -1.25 + -1.25n + n2 = 0 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + -1.25n + n2 = 0 + -1.25 -1.25n + n2 = 0 + -1.25 Combine like terms: 0 + -1.25 = -1.25 -1.25n + n2 = -1.25 The n term is -1.25n. Take half its coefficient (-0.625). Square it (0.390625) and add it to both sides. Add '0.390625' to each side of the equation. -1.25n + 0.390625 + n2 = -1.25 + 0.390625 Reorder the terms: 0.390625 + -1.25n + n2 = -1.25 + 0.390625 Combine like terms: -1.25 + 0.390625 = -0.859375 0.390625 + -1.25n + n2 = -0.859375 Factor a perfect square on the left side: (n + -0.625)(n + -0.625) = -0.859375 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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