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Simplifying 103x2 + 161x + 66 = 0 Reorder the terms: 66 + 161x + 103x2 = 0 Solving 66 + 161x + 103x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 103 the coefficient of the squared term: Divide each side by '103'. 0.640776699 + 1.563106796x + x2 = 0 Move the constant term to the right: Add '-0.640776699' to each side of the equation. 0.640776699 + 1.563106796x + -0.640776699 + x2 = 0 + -0.640776699 Reorder the terms: 0.640776699 + -0.640776699 + 1.563106796x + x2 = 0 + -0.640776699 Combine like terms: 0.640776699 + -0.640776699 = 0.000000000 0.000000000 + 1.563106796x + x2 = 0 + -0.640776699 1.563106796x + x2 = 0 + -0.640776699 Combine like terms: 0 + -0.640776699 = -0.640776699 1.563106796x + x2 = -0.640776699 The x term is 1.563106796x. Take half its coefficient (0.781553398). Square it (0.6108257139) and add it to both sides. Add '0.6108257139' to each side of the equation. 1.563106796x + 0.6108257139 + x2 = -0.640776699 + 0.6108257139 Reorder the terms: 0.6108257139 + 1.563106796x + x2 = -0.640776699 + 0.6108257139 Combine like terms: -0.640776699 + 0.6108257139 = -0.0299509851 0.6108257139 + 1.563106796x + x2 = -0.0299509851 Factor a perfect square on the left side: (x + 0.781553398)(x + 0.781553398) = -0.0299509851 Can't calculate square root of the right side. The solution to this equation could not be determined.
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