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Simplifying 0.999q2 + -6q + 15 = 0 Reorder the terms: 15 + -6q + 0.999q2 = 0 Solving 15 + -6q + 0.999q2 = 0 Solving for variable 'q'. Begin completing the square. Divide all terms by 0.999 the coefficient of the squared term: Divide each side by '0.999'. 15.01501502 + -6.006006006q + q2 = 0 Move the constant term to the right: Add '-15.01501502' to each side of the equation. 15.01501502 + -6.006006006q + -15.01501502 + q2 = 0 + -15.01501502 Reorder the terms: 15.01501502 + -15.01501502 + -6.006006006q + q2 = 0 + -15.01501502 Combine like terms: 15.01501502 + -15.01501502 = 0.00000000 0.00000000 + -6.006006006q + q2 = 0 + -15.01501502 -6.006006006q + q2 = 0 + -15.01501502 Combine like terms: 0 + -15.01501502 = -15.01501502 -6.006006006q + q2 = -15.01501502 The q term is -6.006006006q. Take half its coefficient (-3.003003003). Square it (9.018027036) and add it to both sides. Add '9.018027036' to each side of the equation. -6.006006006q + 9.018027036 + q2 = -15.01501502 + 9.018027036 Reorder the terms: 9.018027036 + -6.006006006q + q2 = -15.01501502 + 9.018027036 Combine like terms: -15.01501502 + 9.018027036 = -5.996987984 9.018027036 + -6.006006006q + q2 = -5.996987984 Factor a perfect square on the left side: (q + -3.003003003)(q + -3.003003003) = -5.996987984 Can't calculate square root of the right side. The solution to this equation could not be determined.
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