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Simplifying 7n2 + -2n + 62 = 0 Reorder the terms: 62 + -2n + 7n2 = 0 Solving 62 + -2n + 7n2 = 0 Solving for variable 'n'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 8.857142857 + -0.2857142857n + n2 = 0 Move the constant term to the right: Add '-8.857142857' to each side of the equation. 8.857142857 + -0.2857142857n + -8.857142857 + n2 = 0 + -8.857142857 Reorder the terms: 8.857142857 + -8.857142857 + -0.2857142857n + n2 = 0 + -8.857142857 Combine like terms: 8.857142857 + -8.857142857 = 0.000000000 0.000000000 + -0.2857142857n + n2 = 0 + -8.857142857 -0.2857142857n + n2 = 0 + -8.857142857 Combine like terms: 0 + -8.857142857 = -8.857142857 -0.2857142857n + n2 = -8.857142857 The n term is -0.2857142857n. Take half its coefficient (-0.1428571429). Square it (0.02040816328) and add it to both sides. Add '0.02040816328' to each side of the equation. -0.2857142857n + 0.02040816328 + n2 = -8.857142857 + 0.02040816328 Reorder the terms: 0.02040816328 + -0.2857142857n + n2 = -8.857142857 + 0.02040816328 Combine like terms: -8.857142857 + 0.02040816328 = -8.83673469372 0.02040816328 + -0.2857142857n + n2 = -8.83673469372 Factor a perfect square on the left side: (n + -0.1428571429)(n + -0.1428571429) = -8.83673469372 Can't calculate square root of the right side. The solution to this equation could not be determined.
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