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Simplifying 2(q2 + 20) + 17q = -10q2 Reorder the terms: 2(20 + q2) + 17q = -10q2 (20 * 2 + q2 * 2) + 17q = -10q2 (40 + 2q2) + 17q = -10q2 Reorder the terms: 40 + 17q + 2q2 = -10q2 Solving 40 + 17q + 2q2 = -10q2 Solving for variable 'q'. Combine like terms: 2q2 + 10q2 = 12q2 40 + 17q + 12q2 = -10q2 + 10q2 Combine like terms: -10q2 + 10q2 = 0 40 + 17q + 12q2 = 0 Begin completing the square. Divide all terms by 12 the coefficient of the squared term: Divide each side by '12'. 3.333333333 + 1.416666667q + q2 = 0 Move the constant term to the right: Add '-3.333333333' to each side of the equation. 3.333333333 + 1.416666667q + -3.333333333 + q2 = 0 + -3.333333333 Reorder the terms: 3.333333333 + -3.333333333 + 1.416666667q + q2 = 0 + -3.333333333 Combine like terms: 3.333333333 + -3.333333333 = 0.000000000 0.000000000 + 1.416666667q + q2 = 0 + -3.333333333 1.416666667q + q2 = 0 + -3.333333333 Combine like terms: 0 + -3.333333333 = -3.333333333 1.416666667q + q2 = -3.333333333 The q term is 1.416666667q. Take half its coefficient (0.7083333335). Square it (0.5017361113) and add it to both sides. Add '0.5017361113' to each side of the equation. 1.416666667q + 0.5017361113 + q2 = -3.333333333 + 0.5017361113 Reorder the terms: 0.5017361113 + 1.416666667q + q2 = -3.333333333 + 0.5017361113 Combine like terms: -3.333333333 + 0.5017361113 = -2.8315972217 0.5017361113 + 1.416666667q + q2 = -2.8315972217 Factor a perfect square on the left side: (q + 0.7083333335)(q + 0.7083333335) = -2.8315972217 Can't calculate square root of the right side. The solution to this equation could not be determined.
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